08-Jan-2022 09:17:16 rk12_adapt_test(): MATLAB/Octave version 9.8.0.1380330 (R2020a) Update 2 Test rk12_adapt(). Number of steps taken: 28 Norm of error: 0.206478 Graphics saved as "rk12_adapt_expsin_test.png" rk12_adapt_test(): Normal end of execution. 08-Jan-2022 09:17:22