| Table of Contents ▸ List of Commands ▸ Matrix Computation ▸ eigen | ◀ dijkstra | invert ▶ |
eigen | Built-in command |
No arguments
Description:
Compute the eigenvalues and eigenvectors of selected symmetric matrices or matrix fields.
If one selected image has 3 or 6 channels, it is regarded as a field of 2x2 or 3x3 symmetric matrices,
whose eigen elements are computed at each point of the field.
This command has a .
Examples of use:
• Example #1
$ gmic (1,0,0;0,2,0;0,0,3) +eigen
• Example #2
$ gmic image.jpg structuretensors blur 2 eigen split[0] c
