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IdentityMatrix

Usage

• IdentityMatrix[n] 给出 单位矩阵.


Notes

• 参见 Mathematica 全书: 节 1.8.3 and 节 3.7.1.
• 同时参见: DiagonalMatrix, KroneckerDelta, Table.
• 相关包: LinearAlgebra`MatrixManipulation`.
Further Examples

Here are two ways to show the x identity matrix.

In[1]:=  

Out[1]=

In[2]:=  

Out[2]//MatrixForm=



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