##############ECHO OF PROBLEM################# ##############temp/expt_sin_sin_new_sm_hpostode.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 $glob_max_h=0.000001 #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 10000.00000000001 step_error 9.99999999999999e-15 est_needed_step_err 9.99999999999999e-15 hn_div_ho 0.5 hn_div_ho_2 0.25 hn_div_ho_3 0.125 value3 1.1465727285494697e-137 max_value3 1.1465727285494697e-137 value3 1.1465727285494697e-137 best_h 1.0e-06 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 1.0e-06 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8010009999999177 y[1] (analytic) 0.6787259139185762 y[1] (numeric) 0.6787259102669944 absolute error 3.6515818147009327e-09 relative error 5.380053626682357e-07% Correct digits 8 h 1.0e-06 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8020009999998354 y[1] (analytic) 0.6808368151795497 y[1] (numeric) 0.6808368079358343 absolute error 7.243715405280682e-09 relative error 1.0639429660351687e-06% Correct digits 7 h 1.0e-06 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8030009999997532 y[1] (analytic) 0.6829376415361824 y[1] (numeric) 0.6829376307552721 absolute error 1.078091027562067e-08 relative error 1.5786082974384553e-06% Correct digits 7 h 1.0e-06 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.804000999999671 y[1] (analytic) 0.6850284413339742 y[1] (numeric) 0.685028427069999 absolute error 1.4263975223194336e-08 relative error 2.0822456941229643e-06% Correct digits 7 h 1.0e-06 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8050009999995886 y[1] (analytic) 0.6871092622848669 y[1] (numeric) 0.6871092445911511 absolute error 1.769371582582835e-08 relative error 2.5750949371561165e-06% Correct digits 7 h 1.0e-06 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8060009999995064 y[1] (analytic) 0.6891801514826514 y[1] (numeric) 0.6891801304117373 absolute error 2.1070914124621254e-08 relative error 3.057388417134597e-06% Correct digits 7 h 1.0e-06 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.807000999999424 y[1] (analytic) 0.6912411554179351 y[1] (numeric) 0.6912411310215897 absolute error 2.4396345388311147e-08 relative error 3.5293537135474435e-06% Correct digits 7 h 1.0e-06 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8080009999993418 y[1] (analytic) 0.6932923199926818 y[1] (numeric) 0.69329229232192 absolute error 2.767076179299721e-08 relative error 3.991211354149906e-06% Correct digits 7 h 1.0e-06 NO POLE for equation 1 TOP MAIN SOLVE Loop x[1] 1.8090009999992596 y[1] (analytic) 0.6953336905343417 y[1] (numeric) 0.6953336596394286 absolute error 3.089491307228798e-08 relative error 4.443177929225064e-06% Correct digits 7 h 1.0e-06 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 10001 Total Elapsed Time 33.0 Seconds Elapsed Time(since restart) 33.0 Seconds Time to Timeout 2 Minutes 27.0 Seconds Percent Done 100.0199999917716%