MATLAB: Unable to filter data with a for loop and replace command

for loopif statement

AA=Df{1,1};
AA(AA<1|AA>1.25)=0;
BB=Zf{1,1};
 for ii=1:length(AA);
      if AA(ii)==0
          BB(ii)=0;
     end
 end
AAA=replace(AA,0,[])
BBB=replace(BB,0,[])
Zf compliments Df. I am trying to filter data that is between 2 values into a new matrix and then have a matrix with the Zf component matrix that compliments the Df matrix. However, whenever I run this code it gives me the error
First argument must be a string array, character vector, or cell array of character vectors.
Error in Analyze (line 283)
AAA=replace(AA,0,[])
How can I get a filtered matrix of both?

Best Answer

replace() is a text processing function. You cannot use it to delete numeric values.
AAA = AA(AA ~= 0);
or in this particular case of comparing to 0
AAA = AA(logical(AA))
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