sub histogram from histogram

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Manish Sharma
Manish Sharma 2016-6-23
评论： Muhammad Usman Saleem 2016-6-23
i have a = [1,1,1;1,2,3;2,1,4;1,1,3;2,1,2;1,3,2] and i form histogram of matrix "a" by hist(a)
now I want to make histogram of all the columns of matrix"a" separately. how this is performed and what if i have 100x100 matrix then how will this be achieved.

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Bjorn Gustavsson
Bjorn Gustavsson 2016-6-23
Perhaps something like:
for i1 = 1:size(a,2)
[H1{i1},H2{i1}] = hist(a(:,i1));
end
stairs(H2{2},H1{2})
hold on
stairs(H2{1},H1{1},'g')
stairs(H2{3},H1{3},'r')
You should presumably look into using a second argument to hist but that you'd decide better than I guess...
HTH
  2 个评论
Manish Sharma
Manish Sharma 2016-6-23
thanks for prompt reply i will try this and will post if any issue arises.
Muhammad Usman Saleem
Muhammad Usman Saleem 2016-6-23
please post in the form of image you got in output

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