circle_map

circle_map, a MATLAB program which illustrates how a matrix maps points on the unit circle to an ellipse.

Licensing:

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

Languages:

circle_map is available in a MATLAB version.

Related Data and Programs:

svd_circle_test

svd_circle, a MATLAB program which analyzes a linear map of the unit circle caused by an arbitrary 2x2 matrix A, using the singular value decomposition.

• circle_map_dots.m plots the the unit circle and its image under a map y=A*x using dots.
• circle_map_letters.m plots the the unit circle and its image under a map y=A*x using letters.
• timestamp.m prints the YMDHMS date as a timestamp.