select from matrix!
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could anyoen help me to understand ,what the command b will select from the matrix a ?
a=[1 3 2 ; 2 1 1 ; 3 2 3]
b= [a(1,2:3);a(2,1:2)]
采纳的回答
M
2019-12-9
When executing the command it outputs :
b =
3 2
2 1
The command :
b= [a(1,2:3);a(2,1:2)]
selects the first line and column 2 to 3, then second line and column 1 to 2.
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