But if you can find an eigen basis, it makes matrix operations really lovely.
但如果你能找到一个特征基 它就会让矩阵运算变得非常可爱。
英语百科
Matrix (mathematics) 矩阵
(重定向自Matrix operation)
In mathematics, a matrix (plural matrices) is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns. The dimensions of matrix (1) are 2 × 3 (read "two by three"), because there are two rows and three columns.