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triangular matrix

Translation of "triangular matrix" in Chinese

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三角矩阵

A more precise statement is given by the Jordan normal form theorem, which states that in this situation, A is similar to an upper triangular matrix of a very particular form.

一个更进一步的结论是由若尔当标准形定理得出，说明了A实际上相似于一个十分特别的上三角矩阵（若尔当形）。

A full symmetric or lower triangular matrix where the number of rows equals the number of columns).The diagonal entries can either be zeros or missing.

完全对称或下三角矩阵，其中的行数等于列数。对角线元素可以为零或缺失。特性列表

Express X ́X as LL ́, where L is the lower triangular matrix in the Cholesky decomposition.

将 X ́X 表示为 LL ́，其中 L 是 Cholesky 分解中的下三角矩阵。

The transpose of an upper triangular matrix is a lower triangular matrix and vice versa.

上三角矩阵的转置矩阵是下三角矩阵，反之亦然。

A fast algorithm for the upper triangular matrix R of QR Decomposition of T. (which is m×n block - Toeplitz matrix with r×s rectangular blocks)and R-T both using only O (mnrs) multiplication is presented. where we get E and R-T computing the Cholesky factor R of TTT.

对块数为m×n阶数为mr×ns的块－Toeplitz矩阵T提出一种通过T的Cholesky因于R来求T的QR分解中上三角矩阵R及R－T的快速算法，计算量为O（mnrs2）。

A matrix that is similar to a triangular matrix is referred to as triangularizable.

一个线性方程组的所有的解的集合会被简称为解集。

The eigenvalues of a triangular matrix are listed on the diagonal, and the eigenvalue problem is solved.

如果A 是非奇异的，且限定R 的对角线元素为正，则这个因数分解是唯一的。

Similarly, the QR decomposition expresses A as QR with Q an orthogonal matrix and R an upper triangular matrix.

這種方式，把矩阵分解成一个半正交矩阵与一个上三角矩阵的积。

In mathematics, the Iwasawa decomposition (aka KAN from its expression) of a semisimple Lie group generalises the way a square real matrix can be written as a product of an orthogonal matrix and an upper triangular matrix (a consequence of Gram-Schmidt orthogonalization).

数学中，半单李群的岩泽分解 KAN 推广了实方阵能写成一个正交矩阵和上三角矩阵的乘积（格拉姆-施密特正交化之推论）。

Analogously, we can define QL, RQ, and LQ decompositions, with L being a lower triangular matrix.

类似的，我们可以定义A的QL， RQ和LQ分解。

Other results

In the matrix, the diagonal separates the upper from the lower triangular parts.

在这个矩阵里，对角线把上三角部分和下三角部分区分开来。

The distance columns can be a symmetric square matrix, or they can be upper or lower triangular with missing entries in the lower or upper portion.

距离列可以是对称方矩阵，也可以是上三角或下三角矩阵并且缺失条目出现在下部或上部。

Elements by the highly-accuracy six-node triangular element are divided. Stiffness matrix and mass matrix of sandwich panel are established and then deduced dynamical equations of finite elements.

应用高精度的六节点三角形单元进行单元划分，建立复合夹层板的刚度矩阵、质量矩阵并推导有限元动力学方程。