test_interp_1d

test_interp_1d, an Octave code which defines test functions y(x) that may be used to test interpolation algorithms involving a 1D argument x.

Licensing:

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

Languages:

test_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.

Related Data and Programs:

test_interp_1d_test

nearest_interp_1d, an Octave code which interpolates a set of data using a piecewise constant interpolant defined by the nearest neighbor criterion.

newton_interp_1d, an Octave code which finds a polynomial interpolant to data using Newton divided differences.

pwl_interp_1d, an Octave code which interpolates a set of data using a piecewise linear (PWL) interpolant.

Reference:

1. Philip Davis,
   Interpolation and Approximation,
   Dover, 1975,
   ISBN: 0-486-62495-1,
   LC: QA221.D33

Source Code:

• p00_f.m, evaluates the function for any problem.
• p00_plot.m, creates a plot of any problem.
• p00_prob_num.m, returns the number of test problems.
• p00_title.m, prints the title for any problem.
• p01_f.m, returns the function for problem p01.
• p01_title.m, returns the title for problem p01.
• p02_f.m, returns the function for problem p02.
• p02_title.m, returns the title for problem p02.
• p03_f.m, returns the function for problem p03.
• p03_title.m, returns the title for problem p03.
• p04_f.m, returns the function for problem p04.
• p04_title.m, returns the title for problem p04.
• p05_f.m, returns the function for problem p05.
• p05_title.m, returns the title for problem p05.
• p06_f.m, returns the function for problem p06.
• p06_title.m, returns the title for problem p06.
• p07_f.m, returns the function for problem p07.
• p07_title.m, returns the title for problem p07.
• p08_f.m, returns the function for problem p08.
• p08_title.m, returns the title for problem p08.