positive definiteness meaning in English

正定性

Examples

On the positive definiteness of the product of matrices
乘积的不等式的讨论
A criterion for the positive definiteness of a block - matrix and its application
分块矩阵的正定性准则及其应用
There have developed some technique to ensure the positive definiteness of the hessian of the quadratic objective function
迄今为止，已提出了多种保证子问题的目标函数的hessian阵的正定性的方案。
Although there have been some suggestions on how to ensure the positive definiteness of the iterative matrices , they are restrictive and is not easy to be implemented
尽管已有一些关于怎样保证迭代矩阵正定的讨论，然而还没有切实可行的方案。
Point to above problems , under the financial support of the national natural science foundation ( exploration of high tech and new concept and new conceive ) , the excellent young teachers program of ministry of education and national excellent doctoral dissertation special foundation , the static and dynamic real - time computation of elasticity - plastic mechanics , solving method of fuzzy finite element and other problems were studied in this paper . and some achievement was gained as following : ( 1 ) based on the positive definiteness of system stiffness matrix of finite element that was modified and the form of potential energy function of elastic body , the linear system of saturation mode ( lssm ) was introduced into the neural computation of finite element , by which the no - error solving of finite element neural net computation was realized in theory
针对上述问题，在国家自然科学基金(高技术新概念新构思探索) 、教育部优秀青年教师资助计划、高等学校全国100篇优秀博士学位论文作者专项基金等的资助下，本文对弹塑性力学问题的动静态的实时计算、模糊有限元的求解方法等问题进行了系统和深入的研究，取得了以下成果： ( 1 )根据有限元总刚矩阵经修正后具有正定性的特点以及弹性体势能函数的具体形式，将饱和模式的线性系统(简称为lssm系统)引入到有限元的神经网络计算中，在理论上实现了有限元神经网络计算的无误差求解。

positive definiteness meaning in English

Examples

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