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2013-05-23 12:21
求翻译：Matrix operations require that the matrix dimensions be compatible. For matrix addition and subtraction, this means that the matrices must have the same dimensions. If A is an n*m matrix and B is a p*r matrix, then A+b is permitted only if n=p and m=r. Matrix multiplication, given by A*B, is permitted only if m=p. Matr是什么意思？ 待解决
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Matrix operations require that the matrix dimensions be compatible. For matrix addition and subtraction, this means that the matrices must have the same dimensions. If A is an n*m matrix and B is a p*r matrix, then A+b is permitted only if n=p and m=r. Matrix multiplication, given by A*B, is permitted only if m=p. Matr
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