To be more precise, an m*n matrix A is a mapping function
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送交者: fuzzify 于 2007-02-16, 11:26:31:
回答: "(m*n)矩阵空间的独立坐标的数目" 由 008 于 2007-02-16, 10:44:01:
defined in an n-dimension space that maps any vector x to A*x. The rank of this matrix represents the number of independent span (base?) vectors of the vector set of A*x.
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