Octave--compare two matrix
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How can I insert the row of matrix A into matrix M if the whole row of matrix A and matrix B are the same?
There is the example
>> A = [1 2; 3 4]
A =
1 2
3 4
>> B = [1 2; 3 6]
B =
1 2
3 6
M =
1 2
采纳的回答
JESUS DAVID ARIZA ROYETH
2020-2-15
M=A(ismember(A,B,"rows"),:)
7 个评论
Walter Roberson
2020-2-15
Is use of double quotes defined in octave?? I do not know.
The octave experts are elsewhere, at a different resource. Octave is a different programming language and not a suitable question for MATLAB Answers.
Les Beckham
2020-2-15
Having been forced to use Octave lately due to not having Matlab available currently, I can answer Walter's question.
Double quoted strings are supported in Octave (and seem to be actually preferred as they are used almost exclusively in the documentation for things like fprintf). I still use single quotes for the most part, as that is what I got used to over the years in Matlab. Strings were just introduced when I lost access to Matlab and I never got into the habit of using them.
Walter is right, of course, that asking Octave questions in Matlab Answers isn't really appropriate.
I really do miss Matlab. :(
Walter Roberson
2020-2-15
Thanks, Les.
Perhaps you could get a Home license?
Michelle Leung
2020-2-16
Walter Roberson
2020-2-16
Transpose the data you send into ismember so that the column you want to compare becomes a row for the purpose of comparing.
Michelle Leung
2020-2-16
Rik
2020-2-16
Note that Matlab and Octave are sufficiently similar that basic tutorials will work for both. There are several places you can find the most important syntax differences. One of them you encountered here: single and double quotes are interchangeable in Octave, in Matlab they are not.
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