positive definite

正定

常用释义

正定：在所有变量取值下都有正值的二次型，或者矩阵的特征根都是实数且为正数。

扩展信息

正定

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正定的

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正定性

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正定方阵

正定方阵(positive definite)，则解答是用英文写的，详见。

正值

式进行分析时，由於适合的相关矩阵不是正值(positive definite)，因而该模式的

线性代数

线性代数(Positive definite)We say a n*n matrix A is Hermitian if A*=A If A*=A,and x*Ax>0,for all x≠0 A is positive definite

例句

every symmetric double linear function can be linearly expressed by positive definite double linear function basis.

每个对称双线性函数均可由正定双线性函数基惟一线性表出。

positive definite matrices equals the set of stable matrices is established.

正定矩阵类与稳定矩阵类等同。

In this paper, some important inequalities on norm of determinent of complex positive definite matrix and its Schur complement are obtained.

正定复矩阵是矩阵论中的一个重要概念，人们已经掌握了它的若干性质与结构。

Positive definite matrix occupies a very important position in matrix theory, and has great value in practice.

正定矩阵在矩阵论中占有十分重要的地位，在实际中也有广泛的应用价值。

The Note to "The Relationship Between Generalized Positive Definite Matrix and Stable Matrix"

关于“广义正定矩阵与稳定矩阵的关系”的注记

Different backgrounds groups are in of positive definite state roughly on travel attitude generally and four link degree. 3.

旅游态度总体上和四个维度上各种背景的被试大致处于偏向积极肯定的状况。

A Note for "Inequalities on the Determinant of Complex Positive Definite Matrix"

对“关于复正定矩阵行列式的不等式”一文的注记

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。

Make the positive, definite response all the time.

始终作出积极、肯定的反应。

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。

Approximation of a Solution for a K-Positive Definite Operator Equation in Real Separable Banach Spaces

实可分Banach空间中K正定算子方程的逼近解

Solvability and Iterative Construction of Solutions for a Class of K-Positive Definite Operator Equations in Uniformly Smooth Banach Spaces

一致光滑Banach空间中一类K-正定算子方程的可解性及其迭代构造

Computational Geometry of Positive Definite Quadratic Forms: Polyhedral Reduction Theories, Algorithms, and Applications

正定二次型之计算几何：多面体约化理论、运算法则与应用

Solvability and Iterative Construction of Solution for a Class of K-Positive Definite Operator Equations in Banach Spaces

Banach空间中一类K正定算子方程的可解性及其迭代构造

Norm of a Linear Functional for a Positive Definite Quadratic Form

线性泛函在正定二次型下的范数

One-dimension Triangular Decomposition Solution of Positive Definite Matrix and Its Application

正定矩阵一维三角分解法及其应用

Iterative Approximation of Solution for a Class of K-Positive Definite Operator Equations in Banach Spaces

Banach空间中一类K正定算子方程的解的迭代逼近

The complete criterion of roots of quartic functions and the positive definite condition of a quartic function

四次函数实零点的完全判据和正定条件

An inequality of a model of the complex positive definite matrix determinant

关于正定复矩阵行列式模的一个不等式

On the Classification of Positive Definite Unimodular Lattices over the Rings of Real Quadratic Integers

实二次代数整数环上的正定幺模格的分类

One of Inequalities of Generalized Positive Definite Matrices

广义正定矩阵的一个不等式

Existence of Positive Definite Solution to Periodic Riccati Differential Equation

周期黎卡提微分方程正定解的存在性

The left and right inverse eigenvalue problem for symmetric positive definite and symmetric positive semidefinite matrices on subspace

子空间上的对称正定及对称半正定阵的左右特征值反问题

The Conditions for the Solvability of Generalized Inverse Eigenvalue Problems of Positive Definite Matrixes

一类正定矩阵的广义特征值反问题解存在的条件

Generalization for definition of asymmetrical generalized positive definite matrix

非对称广义正定矩阵定义的再推广

Criteria for Positive Definiteness of Product of Two Positive Definite Matrices

两个正定矩阵乘积正定性的判别

Characteristic theorem of positive definite quadratic form and its program

正定二次型的刻划定理及其程序

Non-zero Element Dynamic Memory Trigonometric Decomposition Method of Large-scale Sparse Positive Definite Normal Equation

大型稀疏正定法方程非零动态存储三角分解法

Positive definite differential form of degree two

正定二次微分形式

The Perturbation of Elements of Nonnegative Definite Matrices and Positive Definite Completion