extract a slice from a 2D matrix with specific values

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Lama Hamadeh
Lama Hamadeh on 16 Dec 2021
Commented: Lama Hamadeh on 16 Dec 2021
Hi,
I want to extract a slice of a 2D matrix from a bigger 2D matrix with certain values. So, if I have a matrix as follwoing:
M = [1 2;
1 4;
7 1
9 1
0 3
0 4
9 0
8 0];
And I want to extract a slice that only has values in the second column equal one.
Any help would be appreicted.
Thanks.

Accepted Answer

Chunru
Chunru on 16 Dec 2021
M = [1 2;
1 4;
7 1
9 1
0 3
0 4
9 0
8 0];
y = M(M(:,2)==1, :)
y = 2×2
7 1 9 1

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