##############ECHO OF PROBLEM################# ##############temp/tanh_sqrtpostode.ode################# diff ( y , x , 1 ) = tanh ( sqrt ( 2.0 * x + 3.0 ) ) ; ! // BEGIN FIRST INPUT BLOCK Digits=32; max_terms=30; ! // END FIRST INPUT BLOCK // BEGIN SECOND INPUT BLOCK x_start=0.1; x_end=5.0; array_y_init[0 + 1] = exact_soln_y(x_start); glob_look_poles=true; glob_max_h=0.1; glob_type_given_pole=1; array_given_rad_poles[1][1]=-1.5; array_given_rad_poles[1][2]=0.0; array_given_ord_poles[1][1]=0.5; array_given_ord_poles[1][2]=0.0; // END SECOND INPUT BLOCK // BEGIN OVERRIDE BLOCK glob_desired_digits_correct=16; glob_max_minutes=3.0; glob_subiter_method=3; glob_max_iter=100000000; // END OVERRIDE BLOCK ! // BEGIN USER DEF BLOCK double exact_soln_y (double x) { return(0.0); } // END USER DEF BLOCK #######END OF ECHO OF PROBLEM################# START of Optimize min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 1e-06 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 4900000.000000001 step_error = 1.505846504842085e-21 est_needed_step_err = 1.505846504842085e-21 opt_iter = 1 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 1e-06 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 4900000.000000001 step_error = 1.505846504842085e-21 est_needed_step_err = 1.505846504842085e-21 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 5.333536604452221e-166 estimated_step_error = 5.333536604452221e-166 Double H and LOOP opt_iter = 2 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 2e-06 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 2450000 step_error = 2.129588549999799e-21 est_needed_step_err = 2.129588549999799e-21 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 3.57927480518844e-158 estimated_step_error = 3.57927480518844e-158 Double H and LOOP opt_iter = 3 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 4e-06 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 1225000 step_error = 3.01169300968417e-21 est_needed_step_err = 3.01169300968417e-21 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 2.402009290726117e-150 estimated_step_error = 2.402009290726117e-150 Double H and LOOP opt_iter = 4 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 8e-06 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 612500.0000000001 step_error = 4.259177099999599e-21 est_needed_step_err = 4.259177099999599e-21 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 1.61195930876477e-142 estimated_step_error = 1.61195930876477e-142 Double H and LOOP opt_iter = 5 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 1.6e-05 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 306250.0000000001 step_error = 6.023386019368341e-21 est_needed_step_err = 6.023386019368341e-21 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 1.081765111440424e-134 estimated_step_error = 1.081765111440424e-134 Double H and LOOP opt_iter = 6 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 3.2e-05 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 153125 step_error = 8.518354199999198e-21 est_needed_step_err = 8.518354199999198e-21 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 7.259569638728824e-127 estimated_step_error = 7.259569638728824e-127 Double H and LOOP opt_iter = 7 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 6.4e-05 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 76562.50000000001 step_error = 1.204677203873668e-20 est_needed_step_err = 1.204677203873668e-20 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 4.871770242559357e-119 estimated_step_error = 4.871770242559357e-119 Double H and LOOP opt_iter = 8 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 0.000128 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 38281.25000000001 step_error = 1.70367083999984e-20 est_needed_step_err = 1.70367083999984e-20 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 3.269329977084842e-111 estimated_step_error = 3.269329977084842e-111 Double H and LOOP opt_iter = 9 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 0.000256 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 19140.625 step_error = 2.409354407747336e-20 est_needed_step_err = 2.409354407747336e-20 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 2.193930098695858e-103 estimated_step_error = 2.193930098695858e-103 Double H and LOOP opt_iter = 10 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 0.000512 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 9570.312500000002 step_error = 3.407341679999679e-20 est_needed_step_err = 3.407341679999679e-20 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 1.472214057070346e-95 estimated_step_error = 1.472214057070346e-95 Double H and LOOP opt_iter = 11 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 0.001024 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 4785.156250000001 step_error = 4.818708815494673e-20 est_needed_step_err = 4.818708815494673e-20 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 9.878418647563098e-88 estimated_step_error = 9.878418647563098e-88 Double H and LOOP opt_iter = 12 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 0.002048 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 2392.578125 step_error = 6.814683359999358e-20 est_needed_step_err = 6.814683359999358e-20 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 6.627359099587648e-80 estimated_step_error = 6.627359099587648e-80 Double H and LOOP opt_iter = 13 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 0.004096 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 1196.2890625 step_error = 9.637417630989345e-20 est_needed_step_err = 9.637417630989345e-20 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 4.444949987780083e-72 estimated_step_error = 4.444949987780083e-72 Double H and LOOP opt_iter = 14 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 0.008192 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 598.1445312500001 step_error = 1.362936671999872e-19 est_needed_step_err = 1.362936671999872e-19 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 2.979478042656928e-64 estimated_step_error = 2.979478042656928e-64 Double H and LOOP opt_iter = 15 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 0.016384 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 299.0722656250001 step_error = 1.927483526197869e-19 est_needed_step_err = 1.927483526197869e-19 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 1.9948429157191e-56 estimated_step_error = 1.9948429157191e-56 Double H and LOOP opt_iter = 16 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 0.032768 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 149.5361328125 step_error = 2.725873343999743e-19 est_needed_step_err = 2.725873343999743e-19 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 1.332517501939582e-48 estimated_step_error = 1.332517501939582e-48 Double H and LOOP opt_iter = 17 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 min_size = 0 min_size = 1 glob_desired_digits_correct = 16 estimated_h = 0.065536 estimated_answer = 1 desired_abs_gbl_error = 1e-16 range = 4.9 estimated_steps = 74.76806640625001 step_error = 3.854967052395738e-19 est_needed_step_err = 3.854967052395738e-19 hn_div_ho = 0.5 hn_div_ho_2 = 0.25 hn_div_ho_3 = 0.125 max_estimated_step_error = 8.860320865731363e-41 estimated_step_error = 8.860320865731363e-41 Double H and LOOP opt_iter = 18 SETTING H FOR MAX H SETTING H FOR DISPLAY INTERVAL Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 START of Soultion TOP MAIN SOLVE Loop x[1] = 0.1 y[1] (closed_form) = 0 y[1] (numeric) = 0 absolute error = 0 relative error = -1 % Desired digits = 16 Estimated correct digits = -16 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 1.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 0.2 y[1] (closed_form) = 0 y[1] (numeric) = 0.09456094207139262 absolute error = 0.09456094207139262 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 1.7 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 0.3 y[1] (closed_form) = 0 y[1] (numeric) = 0.1896753584357815 absolute error = 0.1896753584357815 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 1.8 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 0.4 y[1] (closed_form) = 0 y[1] (numeric) = 0.2852744451025021 absolute error = 0.2852744451025021 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 1.9 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 0.5 y[1] (closed_form) = 0 y[1] (numeric) = 0.3812996744686154 absolute error = 0.3812996744686154 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 2 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 0.6 y[1] (closed_form) = 0 y[1] (numeric) = 0.4777009870006675 absolute error = 0.4777009870006675 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 2.1 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 0.7 y[1] (closed_form) = 0 y[1] (numeric) = 0.574435350577862 absolute error = 0.574435350577862 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 2.2 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 0.7999999999999999 y[1] (closed_form) = 0 y[1] (numeric) = 0.6714656026487241 absolute error = 0.6714656026487241 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 2.3 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 0.8999999999999999 y[1] (closed_form) = 0 y[1] (numeric) = 0.7687595122370581 absolute error = 0.7687595122370581 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 2.4 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 0.9999999999999999 y[1] (closed_form) = 0 y[1] (numeric) = 0.8662890144920525 absolute error = 0.8662890144920525 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 2.5 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 1.1 y[1] (closed_form) = 0 y[1] (numeric) = 0.9640295818423824 absolute error = 0.9640295818423824 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 2.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 1.2 y[1] (closed_form) = 0 y[1] (numeric) = 1.061959704169107 absolute error = 1.061959704169107 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 2.7 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 1.3 y[1] (closed_form) = 0 y[1] (numeric) = 1.160060456626403 absolute error = 1.160060456626403 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 2.8 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 1.4 y[1] (closed_form) = 0 y[1] (numeric) = 1.258315138410786 absolute error = 1.258315138410786 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 2.9 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 1.5 y[1] (closed_form) = 0 y[1] (numeric) = 1.356708969326004 absolute error = 1.356708969326004 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 3 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 1.6 y[1] (closed_form) = 0 y[1] (numeric) = 1.455228833707709 absolute error = 1.455228833707709 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 3.1 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 1.7 y[1] (closed_form) = 0 y[1] (numeric) = 1.553863063370827 absolute error = 1.553863063370827 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 3.2 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 1.8 y[1] (closed_form) = 0 y[1] (numeric) = 1.652601252876662 absolute error = 1.652601252876662 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 3.3 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 1.900000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 1.751434101698244 absolute error = 1.751434101698244 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 3.4 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 2 y[1] (closed_form) = 0 y[1] (numeric) = 1.850353278874289 absolute error = 1.850353278874289 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 3.5 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 2.100000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 1.949351306546172 absolute error = 1.949351306546172 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 3.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 2.200000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 2.048421459415064 absolute error = 2.048421459415064 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 3.7 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 2.300000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 2.147557677673083 absolute error = 2.147557677673083 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 3.8 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 2.400000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 2.246754491379914 absolute error = 2.246754491379914 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 3.9 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 2.500000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 2.346006954595585 absolute error = 2.346006954595585 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 4 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 2.600000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 2.445310587856914 absolute error = 2.445310587856914 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 4.1 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 2.700000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 2.544661327812149 absolute error = 2.544661327812149 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 4.2 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 2.800000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 2.644055483015202 absolute error = 2.644055483015202 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 4.3 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 2.900000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 2.743489695035421 absolute error = 2.743489695035421 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 4.4 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 3.000000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 2.842960904167074 absolute error = 2.842960904167074 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 4.5 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 3.100000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 2.942466319129617 absolute error = 2.942466319129617 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 4.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 3.200000000000002 y[1] (closed_form) = 0 y[1] (numeric) = 3.042003390239094 absolute error = 3.042003390239094 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 4.7 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 3.300000000000002 y[1] (closed_form) = 0 y[1] (numeric) = 3.141569785606022 absolute error = 3.141569785606022 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 4.8 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 3.400000000000002 y[1] (closed_form) = 0 y[1] (numeric) = 3.241163369978171 absolute error = 3.241163369978171 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 4.9 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 3.500000000000002 y[1] (closed_form) = 0 y[1] (numeric) = 3.340782185899901 absolute error = 3.340782185899901 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 5 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 3.600000000000002 y[1] (closed_form) = 0 y[1] (numeric) = 3.44042443690485 absolute error = 3.44042443690485 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 5.1 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 3.700000000000002 y[1] (closed_form) = 0 y[1] (numeric) = 3.540088472497052 absolute error = 3.540088472497052 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 5.2 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 3.800000000000002 y[1] (closed_form) = 0 y[1] (numeric) = 3.639772774708203 absolute error = 3.639772774708203 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 5.3 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 3.900000000000002 y[1] (closed_form) = 0 y[1] (numeric) = 3.739475946046632 absolute error = 3.739475946046632 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 5.4 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 4.000000000000002 y[1] (closed_form) = 0 y[1] (numeric) = 3.839196698677428 absolute error = 3.839196698677428 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 5.5 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 4.100000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 3.938933844693585 absolute error = 3.938933844693585 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 5.6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 4.200000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 4.038686287355694 absolute error = 4.038686287355694 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 5.7 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 4.300000000000001 y[1] (closed_form) = 0 y[1] (numeric) = 4.138453013192855 absolute error = 4.138453013192855 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 5.8 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 4.4 y[1] (closed_form) = 0 y[1] (numeric) = 4.238233084870636 absolute error = 4.238233084870636 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 5.9 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 4.5 y[1] (closed_form) = 0 y[1] (numeric) = 4.338025634743251 absolute error = 4.338025634743251 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 6 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 4.6 y[1] (closed_form) = 0 y[1] (numeric) = 4.437829859017002 absolute error = 4.437829859017002 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 6.1 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 4.699999999999999 y[1] (closed_form) = 0 y[1] (numeric) = 4.537645012460612 absolute error = 4.537645012460612 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 6.2 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 4.799999999999999 y[1] (closed_form) = 0 y[1] (numeric) = 4.637470403605537 absolute error = 4.637470403605537 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 6.3 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 4.899999999999999 y[1] (closed_form) = 0 y[1] (numeric) = 4.737305390385884 absolute error = 4.737305390385884 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 6.4 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 TOP MAIN SOLVE Loop x[1] = 4.999999999999998 y[1] (closed_form) = 0 y[1] (numeric) = 4.837149376173267 absolute error = 4.837149376173267 relative error = -1 % Desired digits = 16 Estimated correct digits = 13 Correct digits = -16 h = 0.1 Radius of convergence (given) for eq 1 = 6.5 Order of pole (given) = 0.5 NO POLE (ratio test) for Equation 1 NO REAL POLE (three term test) for Equation 1 NO COMPLEX POLE (six term test) for Equation 1 Finished! diff ( y , x , 1 ) = tanh ( sqrt ( 2.0 * x + 3.0 ) ) ; Iterations = 50 Total Elapsed Time = 0.0 Seconds Elapsed Time(since restart) = 0.0 Seconds Time to Timeout = 3 Minutes 0.0 Seconds Percent Done = 104.1 %