method of orthogonal transformation
...正交变换法 关键词 [gap=750]Keywords: Quadratic form; Standard form; Method of completing square; Method of orthogonal transformation ...
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method of orthogonal transformation
正交变换法
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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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