28-Jul-2021 00:20:07
diff_test()
MATLAB/Octave version 9.9.0.1467703 (R2020b)
Test diff(), a built-in function for differences
and approximate derivatives.
diff_trig_test
For sin(x) at x values spaced by h,
compute first, second and third differences,
divided by appropriate power of h,
and compare to corresponding derivatives.
Graphics saved as "diff_trig_test1.png"
Graphics saved as "diff_trig_test2.png"
Graphics saved as "diff_trig_test3.png"
diff_test():
Normal end of execution.
28-Jul-2021 00:20:27