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📜  单位矩阵 - 任何代码示例

📅  最后修改于: 2022-03-11 14:58:45.543000             🧑  作者: Mango

代码示例1
a null square matrix which has the 
diagonal elements 
(top-left to bottin-right) 
as 1

A = 1 0 0
    0 1 0
    0 0 1

here A is a 3x3 identity matrix