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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When the Ambani residence is finished in January, completing a four-year process, it will be 550 feet high with 400, 000 square feet of interior space.

历时4年，安巴尼的豪宅将在一月完工，届时大厦将高达550英尺(约173米)，内部使用面积可达400,000平方英尺。

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The extremal formula of binary quadratic functions is studied by using method of undetermined coefficients, substitution method and method of completing the square.

用特定系数法、换元法、配方法探求二元二次函数的极值公式。

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Among the REITs acting as developers today are Reckson Associates and Carr America, both of which are constructing suburban office complexes, and Vornado Realty, led by hard-charging chief Steven Roth, who is completing a 1.4 million-square-foot tower to house Bloomberg LP in midtown Manhattan.

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