Do only square matrices have multiplicative inverse?
Ashlee
2010-05-09 13:40:28 UTC
Do only square matrices have multiplicative inverse?
Three answers:
daSVgrouch
2010-05-09 13:46:32 UTC
there are pseudo inverses for non-square matrices
a square matrix has an inverse only if the original matrix has full rank which implies that no vector is annihilated by the matrix as a multiplicative operator
Ed I
2010-05-09 13:42:05 UTC
Yes
?
2010-05-09 13:42:08 UTC
Yes, provided they have nonzero determinants.
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