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meigen

Arguments:

Description:

Compute an approximation of the m largest eigenvalues and eigenvectors of selected symmetric matrices,

using the Arnoldi iteration method (https://en.wikipedia.org/wiki/Arnoldi_iteration).
A larger m goes with better numerical precision.

Example of use:

$ gmic (1,0,0;0,2,0;0,0,3) +meigen 3

Command: (1,0,0;0,2,0;0,0,3) +meigen 3
Command: (1,0,0;0,2,0;0,0,3) +meigen 3