conformable matrices

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• Conformable matrix — Conformable redirects here. For the topic in geology, see Unconformity. In mathematics, a matrix is conformable if its dimensions are suitable for defining some operation (e.g. addition, multiplication, etc.). Examples In order to be conformable… …   Wikipedia

• Elementary matrix — In mathematics, an elementary matrix is a simple matrix which differs from the identity matrix in a minimal way. The elementary matrices generate the general linear group of invertible matrices, and left (respectively, right) multiplication by an …   Wikipedia