How to split columns up into different numbers of figures?

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Mary292 2015-1-13

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https://ww2.mathworks.cn/matlabcentral/answers/169801-how-to-split-columns-up-into-different-numbers-of-figures

评论： Image Analyst 2015-3-7

If I have a matrix of data, X, which has 30 columns. Is there some way of using an if statement or something similar to divide the columns up to produce 5 figures. E.g. the first figure would contain columns 1-3 and the the second figure would contain columns 4-6 etc.

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Nicholas 2015-1-13

Hi marie - you could use a 'if' inside a 'for' loop for this.

Image Analyst 2015-3-7

Original question in case Mary overwrites if with gibberish like her other questions:

If I have a matrix of data, X, which has 30 columns. Is there some way of using an if statement or something similar to divide the columns up to produce 5 figures. E.g. the first figure would contain columns 1-3 and the the second figure would contain columns 4-6 etc.

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Answer 1

Sara 2015-1-13

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https://ww2.mathworks.cn/matlabcentral/answers/169801-how-to-split-columns-up-into-different-numbers-of-figures#answer_164777

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% This values are here just to show an example
n = 7; % num 
A = zeros(10,n);
for i = 1:n
    A(:,i) = i;
end
ncols = 3; % columns per plot
niter = ceil(n/ncols);
for i = 1:niter
    figure
    kstart = (i-1) * ncols + 1;
    kend = min(kstart + ncols-1 ,n);
    for j = kstart:kend
        plot(A(:,j)),hold on
    end
    ylim([0 10])
end