selection of rows in a matrix

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sampath kumar punna
sampath kumar punna 2019-10-24
回答： Alex Mcaulley 2019-10-24
how to select only few rows in a matrix
36 13
9 21
23 32
35 5
3 43
in ths five elements i have select only 3 rows which is
36 13
23 32
3 43
which is row 1, row 3, row 5

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Alex Mcaulley
Alex Mcaulley 2019-10-24
A = [36 13
9 21
23 32
35 5
3 43]
B = A([1,3,5],:)

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