exec_test

exec_test, a FreeFem++ code which demonstrates how the exec() statement can be used to issue a system command, in this case, a call to the gnuplot() graphics program.

Licensing:

The computer code and data files described and made available on this web page are distributed under the MIT license

Reference:

• John Chrispell, Jason Howell,
  Finite Element Approximation of Partial Differential Equations Using FreeFem++, or, How I Learned to Stop Worrying and Love Numerical Analysis.
• Frederic Hecht,
  New development in FreeFem++,
  Journal of Numerical Mathematics,
  Volume 20, Number 3-4, 2012, pages 251-265.

Source Code:

• exec_test.edp, the FreeFem++ script;
• exec_test.sh, runs all the tests.
• exec_test.txt, the output file;

• poisson10.txt, a data file created by the program.
• poisson10.png, a plot created by gnuplot, via the exec() command.