... 正规的代数曲体 normal algebraic variety 矩阵的正规形 normal form of a matrix 上的正规函数 regulated function ...
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Method of completing square is often used when transforming a quadratic form into a normal one, whose process is equivalent to making the relevant matrix contract diagonal.
二次型化标准形常采用配方法,而二次型化标准形等价于它的矩阵合同对角化,文中利用初等矩阵和初等变换之间的关系。
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