Matrix-exponentiation operator: Difference between revisions

m
j: use wikilink for slightly cleaner appearance
m (j: use wikilink for slightly cleaner appearance)
Line 783:
pow=: 4 : 'mp&x^:y =i.#x'</lang>
 
or, from http[[j://www.jsoftware.com/jwiki/Essays/Linear%20Recurrences Recurrences|the j wiki]], and faster for large exponents:
 
<lang j>pow=: 4 : 'mp/ mp~^:(I.|.#:y) x'</lang>
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