sine_transform_test

sine_transform_test, a MATLAB program which calls sine_transform() to demonstrate some simple properties of the discrete sine transform for real data.

Licensing:

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

Related Data and Programs:

sine_transform, a MATLAB library which demonstrates some simple properties of the discrete sine transform.

Source Code:

• sine_transform_test.m, calls all the tests;
• sine_transform_test.sh, runs all the tests;
• sine_transform_test.txt, the output file.

• sine_transform_test01.m, demonstrates that the transform is its own inverse.
• sine_transform_test02.m, uses the functional form of the transform.
• sine_transform_test03.m, evaluates the sine transform interpolant for a polynomial.
• sine_transform_test03.png, a PNG image comparing the function and interpolant.
• sine_transform_test04.m, evaluates the sine transform interpolant for a sum of cosines.
• sine_transform_test04.png, a PNG image comparing the function and interpolant.
• poly5.m, evaluates a particular fifth-degree polynomial;
• cosine_sum.m, evaluates a function which is the sum of cosines.