##############ECHO OF PROBLEM################# ##############temp/expt_sin_sin_newpostode.ode################# diff ( y , x , 1 ) = expt ( sin ( 2.0 * x + 3.0 ), sin ( x + 1.0 ) ) * ( ( cos ( x + 1.0 ) * ln ( sin ( 2.0 * x + 3.0 ) )) + ( ( 2.0 * sin ( x + 1.0 ) * cos ( 2.0 * x + 3.0 ) ) / sin( 2.0 * x + 3.0 ) ) ); ! #BEGIN FIRST INPUT BLOCK # Digits:=32; ELIMINATED in preodein.rb max_terms=30 ! #END FIRST INPUT BLOCK #BEGIN SECOND INPUT BLOCK x_start=1.8 x_end=1.81 $array_y_init[0 + 1] = exact_soln_y(x_start) $glob_look_poles=true $glob_max_iter=1000000 #END SECOND INPUT BLOCK #BEGIN OVERRIDE BLOCK $glob_desired_digits_correct=10 $glob_display_interval=0.001 $glob_look_poles=true $glob_max_iter=10000000 $glob_max_minutes=3 $glob_subiter_method=3 #END OVERRIDE BLOCK ! #BEGIN USER DEF BLOCK def exact_soln_y (x) return(expt(sin(2.0*x+3.0),sin(x+1.0))) end #END USER DEF BLOCK #######END OF ECHO OF PROBLEM################# START of Optimize min_size 0.0 min_size 1.0 opt_iter 1 $glob_desired_digits_correct 10 desired_abs_gbl_error 1.0e-10 range 0.010000000000000009 estimated_steps 10.000000000000009 step_error 9.999999999999991e-12 est_needed_step_err 9.999999999999991e-12 hn_div_ho 0.5 hn_div_ho_2 0.25 hn_div_ho_3 0.125 value3 1.1431017181350285e-59 max_value3 1.1431017181350285e-59 value3 1.1431017181350285e-59 best_h 0.001 START of Soultion TOP MAIN SOLVE Loop x[1] 1.8 y[1] (analytic) 0.6766027626496453 y[1] (numeric) 0.6766027626496453 absolute error 0.0 relative error 0.0% Correct digits 16 h 0.001 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.801 y[1] (analytic) 0.6787237979586986 y[1] (numeric) 0.6787201504758374 absolute error 3.647482861190987e-06 relative error 0.0005374031192306803% Correct digits 5 h 0.001 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8019999999999998 y[1] (analytic) 0.6808347093191602 y[1] (numeric) 0.6808274700688374 absolute error 7.2392503228657645e-06 relative error 0.0010632904321380837% Correct digits 4 h 0.001 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8029999999999997 y[1] (analytic) 0.6829355457266133 y[1] (numeric) 0.6829247695960937 absolute error 1.0776130519585259e-05 relative error 0.0015779132579956622% Correct digits 4 h 0.001 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8039999999999996 y[1] (analytic) 0.6850263555271954 y[1] (numeric) 0.6850120965906888 absolute error 1.4258936506528208e-05 relative error 0.0020815164834869088% Correct digits 4 h 0.001 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8049999999999995 y[1] (analytic) 0.687107186433478 y[1] (numeric) 0.6870894979668289 absolute error 1.7688466649068424e-05 relative error 0.002574338763779023% Correct digits 4 h 0.001 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8059999999999994 y[1] (analytic) 0.6891780855398592 y[1] (numeric) 0.68915702003489 absolute error 2.1065504969164373e-05 relative error 0.0030566127117438694% Correct digits 4 h 0.001 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8069999999999993 y[1] (analytic) 0.6912390993375453 y[1] (numeric) 0.6912147085160344 absolute error 2.4390821510955618e-05 relative error 0.0035285650846907765% Correct digits 4 h 0.001 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8079999999999992 y[1] (analytic) 0.6932902737290785 y[1] (numeric) 0.6932626085564124 absolute error 2.766517266605817e-05 relative error 0.003990416960164808% Correct digits 4 h 0.001 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.808999999999999 y[1] (analytic) 0.6953316540424799 y[1] (numeric) 0.695300764740963 absolute error 3.0889301516845435e-05 relative error 0.004442383909500303% Correct digits 4 h 0.001 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.809999999999999 y[1] (analytic) 0.6973632850449677 y[1] (numeric) 0.6973292211068264 absolute error 3.4063938141315475e-05 relative error 0.0048846761611659765% Correct digits 4 h 0.001 NO POLE for equation 1 Finished! diff ( y , x , 1 ) = expt ( sin ( 2.0 * x + 3.0 ), sin ( x + 1.0 ) ) * ( ( cos ( x + 1.0 ) * ln ( sin ( 2.0 * x + 3.0 ) )) + ( ( 2.0 * sin ( x + 1.0 ) * cos ( 2.0 * x + 3.0 ) ) / sin( 2.0 * x + 3.0 ) ) ); Iterations 11 Total Elapsed Time 0.0 Seconds Elapsed Time(since restart) 0.0 Seconds Time to Timeout 3 Minutes 0.0 Seconds Percent Done 119.99999999998667%