ccl_test

ccl_test an Octave code which calls ccl(), which estimates the Lebesgue constants for sets of points in [-1,+1] computed in several ways. The program is probably of limited interest except as an example of an application of the lebesgue_constant() function.

Licensing:

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

Languages:

ccl_test is available in a MATLAB version and an Octave version.

Related Data and Programs:

Source Code:

ccl_test.m, calls all the tests.
ccl_test.sh, runs all the tests.
ccl_test.txt, the output file.

chebyzero_test.m, evaluates the Lebesgue constants for Chebyshev Zero nodes.
cvt_chebyshev_test.m, evaluates the Lebesgue constants for CVT points initialized as Chebyshev Zero nodes.
cvt_random_test.m, evaluates the Lebesgue constants for CVT points initialized as random values.
cvt_uniform_test.m, evaluates the Lebesgue constants for CVT points initialized as uniform values.
lebesgue_constant.m, estimates the Lebesgue constant.
lebesgue_function.m, evaluates the Lebesgue function.
r8vec2_print.m, prints a pair of R8VEC's.
timestamp.m, prints the current YMDHMS date as a timestamp;

Data Files:

Last revised on 15 June 2023.