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sub histogram from histogram

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Manish Sharma
Manish Sharma am 23 Jun. 2016
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 am 23 Jun. 2016
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 Kommentare
Manish Sharma
Manish Sharma am 23 Jun. 2016
thanks for prompt reply i will try this and will post if any issue arises.
Muhammad Usman Saleem
Muhammad Usman Saleem am 23 Jun. 2016
please post in the form of image you got in output

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