how to make all vectors to equal size for a cell array.

Question

Sandhu 2011-10-10

1
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/17906-how-to-make-all-vectors-to-equal-size-for-a-cell-array

编辑： per isakson 2017-12-1

hi, i have a cell array of z{k}, it has totally 60 cells. which are diffident size in columns. so while i am trying to plot all arrays data in a single plot,[plot(z{1}) it works for one cell.] it says all vectors must have same size.

plot(z{:})
??? Error using ==> plot
Vectors must be the same lengths.

so, i want to make equal size of vectors by placing zeros. so any one can please help me.

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Answer 1

Fangjun Jiang 2011-10-10

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https://ww2.mathworks.cn/matlabcentral/answers/17906-how-to-make-all-vectors-to-equal-size-for-a-cell-array#answer_24128

在 MATLAB Online 中打开

It might be easier using a for-loop, with hold on;

figure;hold on;
for k=1:length(z)
plot(z{k});
end

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Sandhu 2011-10-10

tnq very much for ur help..it works grate.

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Answer 2

Laura Proctor 2011-10-10

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https://ww2.mathworks.cn/matlabcentral/answers/17906-how-to-make-all-vectors-to-equal-size-for-a-cell-array#answer_24130

在 MATLAB Online 中打开

lv = max(cellfun(@length,z));
za = zeros(1,lv);
for idx = 1:length(z)
    cellVal = z{idx};
  if length(cellVal) < lv
      z{idx} = za;
      z{idx}(1:length(cellVal)) = cellVal;
  end
end