What is order of the resultant matrix AB when two matrices are multiplied and the order of the Matrix A is m ×

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What is order of the resultant matrix AB when two matrices are multiplied and the order of the Matrix A is m ×

2007-10-26 18:14:35 · 2 answers · asked by ali 1 in Science & Mathematics ➔ Mathematics

2 answers

If A is mxn and B is nxp then AB is mxp

2007-10-26 18:21:25 · answer #1 · answered by Demiurge42 7 · 0⤊ 0⤋

For AxB, line up the 1st row of A with the 1st column of B and sum the products of the corresponding pairs, this can provide the right-left factor of AxB. the 1st row of A with the 2d column of B can provide the factor interior the 1st row and 2d column of AxB. etc.

2016-12-30 07:27:20 · answer #2 · answered by jensvold 3 · 0⤊ 0⤋