what mean ,hist word in matlab ?

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mina
mina 2013-3-2
what mean ,hist word in matlab ?

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Wayne King
Wayne King 2013-3-2
编辑：Wayne King 2013-3-2
It a frequency histogram
X = randn(1000,1);
hist(X)
It "bins" the input data and returns the number of data values that value in each bin.
You can get the actual counts and bin center with the optional output arguments:
[counts,centers] = hist(X);

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