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<p>with the same multiplicities. However, the <a href="page.php?w=eigenvector">eigenvector</a>s are generally different if .</p>

<p><big>Powers of a matrix</big></p>
<p>One may raise a square matrix to any <a href="page.php?w=exponentiation">nonnegative integer power</a> multiplying it by itself repeatedly in the same way as for ordinary numbers. That is,<br/>
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<p>Computing the th power of a matrix needs  times the time of a single matrix multiplication, if it is done with the trivial algorithm (repeated multiplication). As this may</p><p>
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