chebyshev_interp_1d_test, a FORTRAN77 code which determines the combination of Chebyshev polynomials which interpolates a set of data, so that p(x(i)) = y(i).
The code needs the QR_SOLVE and R8LIB libraries. The test program needs the TEST_INTERP library.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
chebyshev_interp_1d is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.
chebyshev_interp_1d, a FORTRAN77 code which determines the combination of Chebyshev polynomials which interpolates a set of data, so that p(x(i)) = y(i).