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column extraction in matlab

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PK
PK 2012년 10월 17일
can some one help in this my Fitness values are Fitness =
0.0443
0.0473
0.0475
0.0475
0.0476
0.0475
0.0443
0.0476
0.0473
0.0467 and these are fitness values of a 10x100 matrix each fitness value corresponds to a single row and the fitness values changes in every execution and for current execution the min value is at 1st position but for next execution it may change so that the minimum valued fitness row should be extracted and placed in a variable i tried it with for loop but not fetting result and it is as below
Fitness=calculateFitness(ObjVal);
indx=find(Fitness==min(Fitness));
row=Foods;
for indx=1;row=Foods(1,:);
indx=2;row=Foods(2,:);
indx=3;row=Foods(3,:);
indx=4;row=Foods(4,:);
indx=5;row=Foods(5,:);
indx=6;row=Foods(6,:);
indx=7;row=Foods(7,:);
indx=8;row=Foods(8,:);
indx=9;row=Foods(9,:);
indx=10;row=Foods(10,:);
end
pbest=row;

채택된 답변

Walter Roberson
Walter Roberson 2012년 10월 17일
Something like
for indx = 1 : 10
row = Foods(indx,:);
end
  댓글 수: 3
Walter Roberson
Walter Roberson 2012년 10월 17일
Ah, perhaps you just meant
row = Foods(indx,:);
You coded a "for" loop, and "for" loops have to do with iteration. If you want to test values and do different things for different values, use "switch"
PK
PK 2012년 10월 17일
k fine and in the same program the command indx=find(Fitness==min(Fitness)); states that location of min fitness is to be stored in the variable called indx but its not happening so and in the command window if i reun the statement find(Fitness==min(Fitness)) it shows exact location but not showing exact location of min fitness all the time when i run the code y so that happens

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