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#1

$Old$ January 6th, 2009, 09:20 AM

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$Default$ commutative matrix

hi!

find the commutative matrix from matrix A and can you explain me because i have problems with this

Last edited by beq!x; April 4th, 2009 at 06:32 AM.

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$Old$ January 6th, 2009, 09:32 AM

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Two matrices commute if AB=BA.

The identity matrix will work, of course.

Let $B=\begin{bmatrix}1&0&0\\0&1&0\\0&0&1\end{bmatrix}$

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