**diff2_center_test**,
a MATLAB code which
calls diff2_center(), which
uses centered differences to estimate the second derivative
of a function f(x), using a stepsize h.

The computer code and data files made available on this web page are distributed under the GNU LGPL license.

diff2_center, a MATLAB code which interactively uses centered differences to estimate the second derivative of a function f(x), using a stepsize h.

- diff2_center_test.m the source code.
- diff2_center_test.sh runs all the tests.
- diff2_center_test.txt the output file.

- diff2_center.png a plot comparing the exact and estimated second derivatives for an example function.