系数行列式

这种改变，力学原理正确，能使问题的弯矩平衡微分方程简化和使未知常数的系数行列式降阶，有推广价值。

The mechanical principle of this change is correct , which makes the moment equilibrium differential equation simple and also reduces the order of coefficient determinant of the unknown constant .

将这些分支的运动领域映射在数轴上，用雅可比矩阵的系数行列式的符号和相应构件角位移的正弦符号来识别。

Let the motion domains of these branches be mapped on number axis , the discrimination can be made by comparing the symbol of coefficient determinant of Jacobian matrix with the sine symbol of angular displacement .

线性形式的系数行列式

Determinant of the coefficients of a linear form

多元分析法在无机多组份光度分析中的应用本文还对多组份光度分析中波长的选择作了研究，提出以吸光系数行列式之值作波长选择判据。

Application of Multivariate Analysis in Spectrophotometric Determination of Inorganic Multicomponent Systems A method of wavelength selection was presented .

命关节方程组的系数行列式等于零，得到以角频率ω为未知数的方程。

Let the coefficient determinant of the simultaneous equations of joints be zero , an equation with ω( the angular frequency ) as an unknown can be obtained .

一种计算符号系数矩阵行列式值的快速算法

A Quick Algorithm for Calculating the Determinant of Symbolic Coefficient Matrix

用待定系数法计算行列式

To Compute the Determinant with the Method of Undetermined Coefficient