fem1d_approximate_test

fem1d_approximate_test, a MATLAB library which calls fem1d_approximate() to use a given finite element mesh and piecewise linear basis functions to approximate a set of data points, while controlling the variation in the derivative.

Licensing:

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

Related Programs:

fem1d_approximate, a MATLAB program which uses a given finite element mesh and piecewise linear basis functions to approximate a set of data points, while controlling the variation in the derivative.

Source Code:

• fem1d_approximate_test.m, calls all the tests.
• fem1d_approximate_test.sh, runs all the tests.
• fem1d_approximate_test.txt, the output file.

• data_bracket_test.m

• data_pairs.txt, sample data to approximate.
• mesh11.txt, 11 nodes of a finite element mesh.
• mesh21.txt, 21 nodes of a finite element mesh.
• plot1.png, the FEM approximation on mesh21 when the smooth derivative weight is 0.
• plot2.png, the FEM approximation on mesh21 when the smooth derivative weight is 0.01.