1) basic positive definite quadratic form
基本正定二次型
1.
In this paper,We give concepts of positive definite matrix basis and orthogonal matrix basis,and show that every real quadric form can be lineally expressed by basic positive definite quadratic form; every linear transformation in Euclidean space can be lineally expressed by basic orthogonal transformation.
给出了正定矩阵基与正交矩阵基 ;证明了每个实二次型都可由基本正定二次型唯一线性表出 ,以及欧氏空间上的每个线性变换都可由基本正交变换唯一线性表
2) positive definite quadratic form
正定二次型
1.
A non-equality and its proof based on positive definite quadratic form;
基于正定二次型的一个不等式及其证明
2.
The paper is mainly about two opposite questions on quadratic form:one is the opposite question on its standard form,the other is the opposite question on positive definite quadratic form and has been given the solution to each other.
本文着重讨论了关于二次型的两个反问题 ,一个是二次型的标准形的反问题 ,另一个是正定二次型的反问题 ,并分别给出求解方法。
3.
The conditions of equivalence of positive definite quadratic form are given ac-cording to its definition and some properties of positive definite matrix are given too in thepaper.
本文根据正定二次型的定义给出了它的几个等价条件;并且通过对正定矩阵的考察,给出了正定矩阵的若干性质。
3) positive semidefinite quadratic
半正定二次型
1.
The conditions of positive semidefinite quadratic form are given according to its definition,and some properties of postive semidefinite matrix are given according to its definition in the paper.
从半正定二次型的定义出发 ,推导出与其定义等价的几个条件 ;并且根据半正定矩阵的定义 ,推导出半正定矩阵的若干性
4) Quadratic positive definite
二次正定
5) definite quadratic form
定二次型
6) derived basic pattern
二次基型
1.
After summarizing a lot of garment design examples, a method of new pattern derived from the basic pattern is developed, and it′s given a name as derived basic pattern.
归纳大量的设计实例,在女装原始基型的基础上,进一步提出了二次基型的设计方法,并划分为合身基型、宽松基型和半合身基型予以介绍。
补充资料：输出反馈(见线性二次型次优控制)
输出反馈(见线性二次型次优控制)
output feedback
3h日c卜口fon以以{输出反馈型次优控制。(output王eedbaek)见线性二次
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条