matrix sign function 矩阵符号函数
lamp-matrix sign 灯泡方阵型标志
sign pattern matrix 符号模式矩阵
sign function matrix 符号函数矩阵
weak sign symmetric matrix 弱符号对称矩阵
anti-sign symmetric matrix 反符号对称矩阵
sign matrix 符号矩阵
the sign matrix 符号矩阵
In chapter two, it includes some impontant forms of sign pattern matrix inertias and research trends of inertia.
第二章介绍符号模式矩阵的惯量所具有的几类重要形式以及惯量研究的动态。
Based on the spectral set of skew-symmetric matrix, the result that a class sign pattern matrix with zero diagonal is unique inertia was proved by using orthogonal similarity transformation.
本文基于反对称矩阵的谱集，采用正交相似变换，得到一类具有零对角的符号模式矩阵具有唯一惯量的结论。
With the affirming and denying degree to the trouble, sets up fuzzy matrix of screening according to trouble sign, thus diagnose the vibration trouble of rotatory machinery.
根据故障征兆对故障的肯定和否定程度，建立模糊筛选矩阵，从而对旋转机械的振动故障进行诊断。
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