positive definite quadratic form

常见例句

雙語例句

• The author introduce the method of applying positive semi-definite quadratic form to prove inequality by giving several examples.
  通過給出幾個實例，介紹了利用二次型的半正定性証明不等式的方法。
• The paper gives a number of methods for differentiating half positive definite quadratic form and some relevant properties in respect to half positive definite corresponding coefficient matrix.
  本文給出的半正定二次型的若乾判別方法及半正定對應系數矩陣的一些相關性質。
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