Arguments:
Description:
Compute the inverse of the selected matrices.
SVD solver is slower but less numerically instable than LU.
Default values:
solver=1.
Example of use:
$ gmic (0,1,0;0,0,1;1,0,0) +invert

Command: (0,1,0;0,0,1;1,0,0) +invert

Command: (0,1,0;0,0,1;1,0,0) +invert