This is really intriguing topic, and fondly brings back mathematical techniques that I probably haven't used in decades. What fun!

Squaring 

0 1
2 3

[download]
does give 
2  3
6 11

[download]
and multiplying it again produces 
 6 11
22 39

[download]
(I'm sure there's a good reason why the top row of the cube has the same values as the bottom row of the square.) The module I suggested doesn't provide a power function, so I suppose the developer would have to jerry-rig something up that multiplies a matrix by itself n-1 times.

Alex / talexb / Toronto

Thanks PJ. We owe you so much. Groklaw -- RIP -- 2003 to 2013.

In reply to Re^2: In PDL, how to raise a matrix $m to a power $v by talexb
in thread In PDL, how to raise a matrix $m to a power $v by Anonymous Monk

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