Exist matrix A and matrix B. A=power(B, n). How can I found n?
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Exist matrix A and matrix B. A=power(B, n). How can I found n?
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Auto comment: topic has been translated by NekoKarp (original revision, translated revision, compare)
Are A and B over real numbers or integers modulo a prime? If they are over integers modulo a prime then this is at least as hard to calculate as discrete logarithm modulo a prime, i.e. pretty hard.
I don't know a solution but here are some properties that would make this problem easy: