1、The identity matrix is special in that when it is applied to vertices, they are unchanged.
恒等矩陣的特殊之處在于它應(yīng)用到頂點時保持不變。

2、The identity matrix is the matrix that does nothing.
單位矩陣是一種可有可無的矩陣。

3、Square Roots of Identity Matrix and Dirac and Klein-Gordon Equations
單位矩陣的平方根與Dirac and Klein-Gordon方程組(英)

identity matrix翻譯