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- positive definite element 正定元
- This paper deals with the positive definite real square matrices. 本文研究一般实方阵的正定性,给出了方阵正定的一些充分必要条件。
- This paper sets forth non zero element dynamic memory trigonometric decomposition method of large scale sparse positive definite normal equation, which is regular, simple and intuitive, and therefore it is ease to realize in the computer. 本文针对具有正定性质的大型稀疏法方程,提出了大型稀疏正定法方程的非零动态存储三角分解法,运用复式链表来动态存储稀疏矩阵。
- It discussed the mechanism and the cause of empty core plate beam crackings and analysed with definite element modus, meanwhile proposed the control measures about it. 论述先张法气囊内模制作的空心板梁裂缝产生的机理及成因,并用有限元方法对温度应力作重点分析。根据观察、析和计算提出控制及补救措施,取得良好效果。
- Positive semi-definite matrices are positive definite if and only if they are nonsingular. 正半定矩阵是正定的，当且仅当它们是非奇异矩阵。
- If a symmetrical matrix is positive definite, the determinants of all its minors are also positive. 如果对称矩阵是为正定者，它的所有子式的行列式也都是正的。
- Results linear complementary problem have unique solution when M is generalized positive definite matrix. 结果得到了当M是广义正定矩阵时，线性互补问题存在唯一解。
- In an SQP method, it is important to keep the Hessian of the objective function in QP problem to be positive definite. 此时，QP子问题有唯一解，而且，该问题的求解比较容易。
- 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质，给出阿达马不等式的证明。
- The title is intimidating, but chapter3 is easy to read and contains a lucid introduction to positive definite functions. 不要被书名吓到了，其实书里的第3章非常容易阅读而且对正定函数也有很明确的解释。
- The Definitions element contains a list of Definition elements. Definitions元素包含Definition元素列表。
- Some properties of adjoint matrix are discussed. The properties are symmetry, antisymmetry, positive definite, positive semi-definite, orthogonal and characteristic value. 摘要讨论了伴随矩阵在对称、反对称、正定、半正定、正交、相似和特徵值等方面的性质。
- Based on them, some properties of the coefficient matrix A are presented when the matrix equation has a positive definite solution. 根据这两个定理,当矩阵方程有对称正定解时,给出了系数矩阵。
- Let A and B be positive definite Hermitian matrices, this paper gave a more accurate estimation uf the eigenvalues of AB. 设A、B是两个n×n正定厄米特矩阵,本文给出乘积AB的特征值上、下限的一个更精确估计。
- Assembly definition Element case is determined by how the element is defined in the corresponding type class. 程序集定义元素大小写由相应的类型类中定义元素的方式确定。
- In the discussion of Euclid space ,the matter if n order real symmetric matrix A is positive definite remained important in the theory of matrix . 讨论Euclid空间中n阶实对称矩阵A是否正定,一直是矩阵理论中的重要问题。
- The title is intimidating, but chapter 3 is easy to read and contains a lucid introduction to positive definite functions. 不要被书名吓到了，其实书里的第3章非常容易阅读而且对正定函数也有很明确的解释。
- Finally, we extend the support theory of symmetric positive definite matrices to general (including indefinite and nonsymmetric) matrices. 最后，我们将适用于对称正定矩阵的支撑理论推广到一般的矩阵(包括不定的和非对称的矩阵)。
- The positive definite geometric programming is transferred into a nolinear programming with constraints of linear equality by duality principle. 在对偶理论作用下约束正定式几何规划转变为线性等式约束下的非线性规划。
