MATLAB: Error in Loop in a loop

loop

I'm getting this error
Cell contents reference from a non-cell array object.
Error in setParam (line 86)
          N{i}=((19*(TR{i}(t-1,1)))+TR{i}{t,1})/20;
After trying to run this for loop.
for i=1:length(TR)
    for t=length(TR{i})
      if t<21
          N{i}=mean(TR{i}(1:t,1));
      else
          N{i}=((19*(TR{i}(t-1,1)))+TR{i}{t,1})/20;
      end
    end
end

Best Answer

Try
N{i}=((19*(TR{i}(t-1,1)))+TR{i}(t,1))/20;
Instead of
N{i}=((19*(TR{i}(t-1,1)))+TR{i}{t,1})/20;
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