J4 ›› 2011, Vol. 46 ›› Issue (2): 114-116.
• Articles •
ZHU Guang-yan1, LIU Xiao-ji2*
Some definitions about matrix M-weighted (N-weighted) symmetry factors are introduced, and the construction of matrix M-weighted right symmetry factor is discussed in detail. The explicit expression of the generalized inverse A(2,3M)T,S, which is a ｛2,3 M｝inverse of A having the prescribed rang T and null space S, is derived.
symmetry factor; generalized inverse; singular-value decomposition
ZHU Guang-yan1, LIU Xiao-ji2*. Matrix M-weighted right symmetry factor[J].J4, 2011, 46(2): 114-116.
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