principal diagonal

principal diagonal的基本解释

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[计] 主对角线

与principal diagonal相关的网络例句 [注：此内容来源于网络，仅供参考]

The sum of the elements of the principal diagonal of a matrix.

所有对角元素都相等的梯形矩阵。

A determinant whose only nonzero elements occur in square blocks centered about the principal diagonal is in block- diagonal form.

仅有的非零元素集中于主对角线的方块中的行列式是分块对角形式的。

A determinant in which all elements are zero except the elements of the principal diagonal and the elements immediately above and below this diagonal is called a continuant.

一个行列式除了主对角元素以及紧靠对角线的上面和下面的元素外，所有的元素均为零者叫做连行列式。

By means of similarity transformation upon the state matrix, an upper triangular matrix or lower triangular matrix is found. The eigenvalues of the original system can be obtained through a series of low-dimension matrixes over the principal diagonal.

该方法对系统状态矩阵进行相似变换，得到分块上三角或下三角矩阵，使原系统特征值可以通过主对角线上一系列相互独立的低维矩阵求得。

During the ordinary modeling process of first order hydraulic system, some principal diagonal elements of mass matrix were zero, and the stiffness matrix was nonsymmetrical.

建立以界面信息形式表达的一阶液压均衡系统动力学方程，同时利用卷扬系统动力学方程，首次建立机械卷扬-液压均衡子系统动态耦合的数学模型。

与principal diagonal相关的网络解释 [注：此内容来源于网络，仅供参考]

principal diagonal：衷角线

principal curve 助线 | principal diagonal 衷角线 | principal direction 纸向

principal diagonal：主对角线

"主曲率","principal curvature" | "主对角线","principal diagonal" | "主焦点","principal focus"

principal diagonal polynomial：主对角多项式

principal diagonal 主对角线 | principal diagonal polynomial 主对角多项式 | principal dielectric constants 主介电常数