*파이썬에서 벡터(행렬)의 표현


[[X11,X11,X11,...,X1n],[X21,X22,X23,...,X2n],...,[Xm1,Xm2,Xm3,...,Xmn]]( m・n벡터)

[

[X11,X11,X11,...,X1n],

[X21,X22,X23,...,X2n],

...

[Xm1,Xm2,Xm3,...,Xmn]

]( m・n벡터)

➡ 1차배열:행, 2차배열:열 


예)



 =[[1,2],[3,4]]

=[[1,2,3],[4,5,6],[7,8,9]]


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