正定的例句大全

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.

This paper is concerned with the problem of real symmetric semidefinite matrix pencil under spectral restriction.

本文讨论谱约束下实对称半正定矩阵束的最佳逼近问题,指出一般算法.

In this paper , some properties of weighted sub positive semidefinite matrices were discussed.

讨论了加权亚半正定矩阵的充要条件、分解、特征值、行列式等性质.

There are definite 4 different styles of ancient tower, it is worth a visit.

正定有4座风格不同的古塔, 值得一游.

The related results of the positive matrices are extended.

推广了关于半正定矩阵的相应结果.

The coefficient matrix of the equations is a kind of positive matrix.

这种方程组的系数矩阵是正定矩阵,可用平方根法求解.

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.

Moreover, the condition is also sufficient if the positive definite matrix is included in this set.

当这个集合中包含有正定矩阵时, 上述必要条件也是充分的.

Wooden Pagoda is located in the city of Zhengding, also known as Tianning Temple Peak Tower.

木塔坐落在正定城内, 又名天宁寺凌霄塔.

Pa cake is also a positive feature of food, specialty out of the question.

扒糕也是正定的一种特色美食, 特产谈不上.

Bao Zhengding three snacks: Pa cake, slip , bean brain.

正定小吃三大宝: 扒糕、粉浆 、 豆腐脑.

Through the analysis and research, It raises an easy operated equipment of strip steel aline location.

经分析研究, 提出了一种简单易行的钢带对正定位装置.

The method can guarantee global stability without searching a common positive definite matrix.

该方法无需求正定矩阵就能保证系统全局稳定.

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.

Then A is positive semidefinite, negative definite and negative semidefinite.

则A是半正定, 负定,半负定的.

Study on Bounds on Determinants for Kronecker Products and Hadamard Products of Positive Definite Self conjugate Matrices

关于正定自共轭矩阵的Kronecker乘积与Hadamard乘积的行列式的界限

A Study of Biogeochemistry and Nitrogen Transform in the Unsaturated Soil Zone

包气带土体生物地球化学特征与氮转化研究&以河北平原正定试验场剖面为例

The coefficient matrix of the linear equations is nonpositive definite because of the restrictions, but we prove the leading principal minors of the matrix do not equal zero and the triangular decomposition or Gaussian elimination can be used to the linear equations.

由于约束条件的缘故，导出的线性方程组的系数矩阵不是正定的，但本文证明了它的各阶顺序主子式不等于零，从而可用三角分解法或高斯消去法。

Positive definition method was used for the ABO blood typing while Rh blood type was determined serologically through saline medium method. At the same time, the Rh phenotypes were investigated in RhD-negative individuals.

对ABO血型采用正定玻片法、Rh血型采用血清学盐水介质法测定，另外对RhD阴性个体检测Rh血型血清学表型。

However, the traditional trust region subproblem may meet difficulty. The Hessian matrix of the trust region subproblem may not be positive definite. In this case, the convergence rate of some trust region methods is only linear.

但传统的信赖域算法存在如下弱点：当信赖域子问题的海森矩阵不正定时，数值计算上存在一定困难，此时有些算法只具有线性收敛速度。