real quadratic form
... 实二次超曲面 real quadric hypersurface 实二次型 real quadratic form 实二次域 real quadratic field ...
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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。
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.
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