Assigning values in an array into another array in MATLAB

Question

I want to assign part of a matrix into another matrix using a for loop in MATLAB. I've tried different ways but none of them worked. I want to know what's wrong with this one:

 fullGrid = complex(zeros(FFTLen, numSym, numTx),zeros(FFTLen, numSym, numTx));
 for i=0:(numSym/2)-1 
     for j=0:(FFTLen/2)-1
         A(i,j)=[fullGrid(i,j)];
     end
 end

I’m sure MATLAB gave you a clear error message when you tried to run the code. Googling the text of that error message will lead you to really useful resources. Many people have asked about this. I suggest you read the answer to this question: stackoverflow.com/questions/20054047/… — Cris Luengo
– Cris Luengo, Commented Dec 22, 2018 at 14:01

Anjan · Accepted Answer · 2018-12-22 12:51:26Z

1

You made a very basic mistake. The index position in a matrix/array in Matlab starts from 1 and not 0. So replace all the for loops from 1 to required length.

Corrected code is given below.

fullGrid = complex(zeros(FFTLen, numSym, numTx),zeros(FFTLen, numSym, numTx));
 for i=1:(numSym/2)-1 
     for j=1:(FFTLen/2)-1
          A(i,j)=[fullGrid(i,j)];
     end
  end

edited Dec 22, 2018 at 12:51

answered Dec 22, 2018 at 12:29

Anjan

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1 Comment

Cris Luengo Over a year ago

Are you quoting from someone? If so, please add an attribution. If not, please don’t use quoting markup. I find it confusing.

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