how do I switch values in a random matrix without using witch or any kind of loop?

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ilona
ilona 2013-11-10
评论： ilona 2013-11-10
I need to change this matrix
x = round(0+(4)*rand(20,30)) which contains the values 0,1,2,3,4 to the matrix y - - if - x(i,j)=0 than y(i,j)=5
if x(i,j)=1 than y(i,j)=4
if x(i,j)=2 than y(i,j)=3
if x(i,j)=3 than y(i,j)=2
if x(i,j)=4 than y(i,j)=1
this sould be done without using any kind of loops any ideas?

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采纳的回答

Matt J
Matt J 2013-11-10
编辑：Matt J 2013-11-10
y=5-x;

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