- store the vectors in a cell array.
- pad each vector with some value (e.g. see padcat).
select several groups in a Vector
7 Ansichten (letzte 30 Tage)
Ältere Kommentare anzeigen
Hi all
I have a vector like this:
x=[0 0 0 1 1 1 0 0 1 1 0 1 1 1 0 0 0 0 1 1 1 1]
I'm trying to save each part of ones in a Row. for instance, the result of this vector should be a matrix with 4 rows.
1th row = 1 1 1
2th row = 1 1
3rd row = 1 1 1
4th row = 1 1 1 1
how can I do that automatically with a loop.
could you please help me.
Cheers
1 Kommentar
Stephen23
am 6 Sep. 2017
"the result of this vector should be a matrix with 4 rows."
That is impossible, as all rows of a matrix must have the same number of elements. Instead you could:
Akzeptierte Antwort
Stephen23
am 6 Sep. 2017
Bearbeitet: Stephen23
am 6 Sep. 2017
Method one: diff and arrayfun:
>> x = [0 0 0 1 1 1 0 0 1 1 0 1 1 1 0 0 0 0 1 1 1 1];
>> d = diff([0,x,0]);
>> C = arrayfun(@(b,e)x(b:e-1),find(d>0),find(d<0),'uni',0);
>> C{:}
ans =
1 1 1
ans =
1 1
ans =
1 1 1
ans =
1 1 1 1
Method two: regexp and cellfun:
>> C = regexp(char(x),sprintf('\1+'),'match');
>> C = cellfun(@double,C,'uni',0);
>> C{:}
ans =
1 1 1
ans =
1 1
ans =
1 1 1
ans =
1 1 1 1
1 Kommentar
Weitere Antworten (0)
Siehe auch
Kategorien
Mehr zu Creating and Concatenating Matrices finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!