congruent matrix

Both congruent and similarity of matrix are equivalence relations.

矩阵的合同关系、相似关系都是等价关系。

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The Similar Transformation and Congruent Transformation of Block Matrix

分块矩阵的相似变换和合同变换

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General Form of the Change of Matrix in Congruent Matrices

关于合同变换矩阵的一般形式

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A new concept of congruent matrix is introduced in the paper and its equivalent transformations are discussed.

本文引进了同馀矩阵的新概念，并讨论了它的等价变换。

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By means of congruent transformation in matrix, the method of transforming real quadratic form into standard form and the method of normal orthogonal basis are given in this paper.

借助矩阵的合同变换法，给出了化实二次型为标准形的方法、求标准正交基的方法，并给出了正定二次型判定定理的新证明。

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