fem1d_project_test

fem1d_project_test, a C code which calls fem1d_project() to compute the projection of sample data onto a given finite element mesh.

Licensing:

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

Related Data and Programs:

fem1d_project, a C code which projects data into a finite element space, including the least squares approximation of data, or the projection of a finite element solution from one mesh to another.

Source Code:

• fem1d_project_test.sh, runs all the tests.
• fem1d_project_test.txt, the output file.

POWERS starts with sample data for the vector function f(x)=[ 1, x, x^2], on a grid of 11 equally spaced nodes from 0 to 10, and projects this onto a piecewise linear grid of 6 equally spaced nodes from 0 to 10.

• sample_powers_nodes.txt, the sample nodes.
• sample_powers_values.txt, the sample nodal values.
• fem_powers_nodes.txt, the FEM nodes.
• fem_powers_elements.txt, the FEM elements.
• fem_powers_values.txt, the projected FEM nodal values.