Matrix consisting of sub-elements of another matrix

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Articat 2020년 2월 18일
댓글: Articat 2020년 2월 18일
Say I have the following matrix:
x = [ 1 2 3 4 5 6 7 8 9]
If I want a matrix that consists of the following:
y = [1 2 4 5 9]
How would I go about doing this?

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Matt J
Matt J 2020년 2월 18일
편집: Matt J 2020년 2월 18일
By indexing,e.g.,
>> x = [ 1 2 3 4 5 6 7 8 9]*10;
>> y=x([1,2,4,5,9])
y =
10 20 40 50 90
  댓글 수: 3
Matt J
Matt J 2020년 2월 18일
There are lots of indexing techniques described at the link I gave you. For example, you can get every 3rd element with this syntax,
You can also get all elements satisfying some condition with logical indexing, e.g.,
Articat 2020년 2월 18일
Checked out the link, was very helpful! thanks for your time

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