sine_transform_test

sine_transform_test, an Octave code which calls sine_transform(), which demonstrates some simple properties of the discrete sine transform for real data.

Licensing:

The information on this web page is distributed under the MIT license.

Related Data and Programs:

sine_transform, an Octave code 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.