TEST_APPROX is a dataset directory which is associated with the sample approximation problems in the TEST_APPROX software library.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
TEST_APPROX, a C++ library which defines test problems for approximation, provided as a set of (x,y) data.
P01 supplies DeBoor example, Mars position data;
P02 supplies DeBoor example, roughly linear data;
P03 supplies the pulse data, 0 0 0 0 0 1 0 0 0 0 0;
P04 supplies the jump data, 0 0 0 0 0 1/2 1 1 1 1 1;
P01 supplies DeBoor's Titanium Property data;
P06 supplies the Sawtooth data;
P07 supplies the Concavity test data;
P08 supplies the Extrapolation test data;
P09 supplies the Sunspot data, 1700-1960;
P10 supplies 100 values of X and Y related by the formula Y = 2 + 5 * X + 10 * N(0,1), where "N(0,1)" represents a normal random number with mean 0 and variance 1.
You can go up one level to the DATASETS page.