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- The total input power flow is expressed in an equation of Hermitian quadratic form as the objective function. 將構造結構總的輸入功率流為二次型函數作為控制目標函數,利用哈密爾頓二次型最小值理論給出最優控制力前饋控制表達式。
- This paper proves some Hadamard inequalities from the qualities of positive definite quadratic form. 摘要利用正定二次型的性質，給出阿達馬不等式的證明。
- By means of the condition of positive semidefinite of a quadratic form, the location of the tool-axis can be acquired. 傳統的數控加工均採用球頭刀具,由於刀具與被加工曲面間為點接觸,加工精度和效率都較低。
- Given a response surface equation in quadratic form, the Six Sigma Black Belt will be able to compute the stationary point. 給出一個二次方程式形式的響應曲面公式，6西格瑪黑帶應能計算出駐點。
- We can customize products according to users'requirements: disk, cylinder, quadratic form, ring, sector and some other special shaped magnets. 各種材料製成的圓片、圓柱、方、環、扇、異等形狀系列永磁元件。
- The absolute stability of a class of indirect control systems by applying the theory of Hermitian quadratic form and Jordan normal form was studied. 利用厄米特二次型和若當標準形理論研究了一般間接控制系統的絕對穩定性問題，給出了絕對穩定性的代數形式的判別準則。
- With the theory of quadratic form, this essay gives out another way to solve the extremum problems of multi-variable functions. 摘要文章以二次型理論為依據，提出了解決多元函數極值問題的另一種方法。
- Using the singular value decomposition of matrix,the authors give several results on the extremum for matrix quadratic form,which corrects and generalizes some results in [1]. 本文利用矩陣的奇異值分解，給出矩陣二次型極值的若干結果，這些結果修正並推廣了文獻[1]中的一些結論。
- The concavity and convexity of the pluralistic quadratic function is discussed with quadratic form and simple methods are given to recognize concavity and convexity. 利用二次型理論討論了多元二次函數的凹凸性,並給出了判別凹凸性的簡便方法。
- Abstract: The absolute stability of a class of indirect control systems by applying the theory of Hermitian quadratic form and Jordan normal form was studied. 文摘:利用厄米特二次型和若當標準形理論研究了一般間接控制系統的絕對穩定性問題，給出了絕對穩定性的代數形式的判別準則。
- Abstract: Using the singular value decomposition of matrix,the authors give several results on the extremum for matrix quadratic form,which corrects and generalizes some results in [1]. 文摘:本文利用矩陣的奇異值分解，給出矩陣二次型極值的若干結果，這些結果修正並推廣了文獻[1]中的一些結論。
- The article analyzes decomposition of the real quadratic form and Hermite quadratic form, and ascertain the condition which the real quadratic form and Hermite quadratic form can separate the product of two linear polynomials. 摘要分析了實二次齊式和厄米特齊式的分解因式，並確定了實二次齊式和厄米特齊式能分解為兩個一次因式乘積的條件。
- Barkirov introduced majorization in the research of quadratic form of random variables and got the result as following: If , be independent normal random variables , two positive vectors , then . Bakirov首次將控制序概念引入到高斯向量二次型分佈的不等式研究，並且證明了下述結論：令 為相互獨立的標準正態變數， 和 為兩個正的實向量。
- The system can calculate saddlepoint approximations for distributions of quadratic forms in normal variables. 採用統一的方式記錄系統運行錯誤。
- When A is a nonnegative definite matrix with finite maximum eigenvalue, the strong convergence of random quadratic forms is established under finite fourth moment. 當A為非負定矩陣且其最大特徵根有限,隨機變數存在有限的四階矩情形下,獲得了二次型的強收斂。
- Least common multiple quadratic matrix 最小公倍數平方矩陣
- discriminant of a quadratic form 二次型的判別式
- More on the Extremum for Matrix Quadratic Form 矩陣二次型極值的進一步討論
- A Judge Method of the Quadratic Form 二次型判別的一個方法
- The paint is sold in powdered form. 該油漆以粉製品形式出售。
