Error in Loop in a loop

Question

liu James 2016-12-15

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/316964-error-in-loop-in-a-loop

评论： liu James 2016-12-15

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

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Answer 1

KSSV 2016-12-15

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/316964-error-in-loop-in-a-loop#answer_247261

在 MATLAB Online 中打开

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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liu James 2016-12-15

在 MATLAB Online 中打开

Although this works and doesn't give me the error. The answer that it provides isn't what I'm looking for. I'm trying to index each cell and calculate and spit it out. Do you know how I can achieve it?

for i=1:length(TR)
    for t=length(TR{i})
      if t<21
          N{i}{t,1}=mean(TR{i}(1:t,1));
      else
          N{i}{t,1}=((19*(TR{i}(t-1,1)))+TR{i}(t,1))/20;
      end
    end
end