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OpenStudy (anonymous):
What is the product of a matrix and its inverse?
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OpenStudy (anonymous):
IS IT -1?
OpenStudy (anonymous):
@tkhunny
OpenStudy (tkhunny):
\(A\cdot A^{-1} = I\)
OpenStudy (anonymous):
SQUARE MATRIX?
OpenStudy (tkhunny):
Has to be square. Otherwise, it's a pseudo-inverse.
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OpenStudy (anonymous):
thanks
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