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math question


jasper353

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a) What does "doing" mean?

b) is that really a homework question?

c) [math] \exp X := 1 + \sum_{n=1}^\infty \frac{X^n}{n!}[/math] is sometimes extended to X being matrices; and so is the logarithm. You could hope that the common calculation rules for exponentials, powers, and logarithms still hold true for matrices (or check the ones you need individually).

Edited by timo
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