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matlabplothistogram
user12586
user12586

Reputation: 225

Matlab question: fixing the scale of Y axis in hist

I want to draw several histograms. But I want the Y axis to be fixed, like from 1000 to 1 by 100. How can I specify them。

Please advise.

Upvotes: 2

Views: 9995

Answers (2)

Amro
Amro

Reputation: 124563

Consider this example:

%# some data
X = randn(1000,3);
nbins = 10;

%# compute frequencies and bins
%#[count,bins] = hist(X, nbins);
count = zeros(10,size(X,2));
bins = zeros(10,size(X,2));
for i=1:size(X,2)
    [count(:,i),bins(:,i)] = hist(X(:,i),nbins);
end

%# show histograms
for i=1:size(X,2)
    subplot(1,size(X,2),i)
    bar(bins(:,i), count(:,i),'hist')
    set(gca, 'YTick',0:100:4000, 'YLim',[0 400])
end

enter image description here

Upvotes: 2

aardvarkk
aardvarkk

Reputation: 15996

The axis command is what you're looking for. You specify the [XMIN XMAX YMIN YMAX]. This example will have all histograms capped at a value of 5. Also, you're asking a bunch of questions about MATLAB today without seemingly doing any research. Please ask a search engine and show that you've at least tried something.

clf;
subplot(1,2,1); hist(rand(1,10)); axis([0 1 0 5]);
subplot(1,2,2); hist(rand(1,10)); axis([0 1 0 5]);

Upvotes: 1

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