test_interp_2d, a Python code which defines test problems for interpolation of data z(x,y) depending on a 2D argument.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
test_interp_2d is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version.
PADUA, a Python code which returns the points and weights for Padu sets, useful for interpolation in 2D.
RBF_INTERP_2D, a Python code which defines and evaluates radial basis function (RBF) interpolants to 2D data.
TEST_INTERP, a Python code which defines a number of test problems for interpolation, provided as a set of (x,y(x)) data.
TEST_INTERP_1D, a Python code which defines test problems for interpolation of data y(x), depending on a 2D argument.
test_interp_2d_test03 makes plots of each grid: