...换;标准正交基 [gap=529]Keyword: Gram-Schimidt’s orthogonalization; elementary transformation; standard Orthogonal basis ...
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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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