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Matrix-exponentiation operator: Difference between revisions
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=={{header|Scheme}}==
For simplicity, the matrix is represented as a list of lists, and no dimension checking occurs. This implementation does not work when the exponent is 0.
<lang scheme>
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((even? exp) (square-matrix (matrix-expo mat (halve exp))))
(else (multiply-matrix mat (matrix-expo mat (dec exp))))))
</lang>
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