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copying matrix values based on another matrix value in MATLAB

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Shajeel Iqbal
Shajeel Iqbal 2016-8-5
评论： Shajeel Iqbal 2016-8-5
Hi I am trying to perform this on MATLAB
A =
64 2 3 61 60 6 7 57
9 55 54 12 13 51 50 16
17 47 46 20 21 43 42 24
40 26 27 37 36 30 31 33
32 34 35 29 28 38 39 25
41 23 22 44 45 19 18 48
49 15 14 52 53 11 10 56
8 58 59 5 4 62 63 1
I want to select values from A based on F
F =
0
0
0
-1
0
-1
-1
-1
I want this output
u =
40 26 27 37 36 30 31 33
41 23 22 44 45 19 18 48
49 15 14 52 53 11 10 56
8 58 59 5 4 62 63 1
This means that I want all the values corresponding to '-1' in a matrix.

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2016-8-5
编辑：Azzi Abdelmalek 2016-8-5
u=A(F==-1,:)

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