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select from matrix!

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kahdlia alshikh
kahdlia alshikh 2019년 12월 9일
답변: M 2019년 12월 9일
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)]

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M
M 2019년 12월 9일
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.
See here for more details.

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