How can I plot histogram?

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Amer Al-Maashani
Amer Al-Maashani 2021-1-29
评论： Walter Roberson 2021-1-29
I nedd help to scale the y-axis of Gaussian pdf
for example:
x = linspace(-20,20);
plot(x,normpdf(x,4,4))
How can I plot the histogram of this example?

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采纳的回答

Walter Roberson
Walter Roberson 2021-1-29
Ran in:
x = linspace(-20,20);
y = normpdf(x, 4, 4);
plot(x,y)
histogram(y, 10)
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Walter Roberson
Walter Roberson 2021-1-29
Ran in:
Sure.
x = linspace(-20,20);
y = normpdf(x, 4, 4);
plot(x,y)
hold on
histogram(y, 10)
hold off
Not very useful, though.
Walter Roberson
Walter Roberson 2021-1-29
Ran in:
I suspect that you are looking for something like the following, but notice that it is exactly opposite to what you asked for.
https://www.mathworks.com/help/stats/histfit.html
r = normrnd(10,1,100,1);
histfit(r)

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更多回答（1 个）

Daniel Pollard
Daniel Pollard 2021-1-29
Simply googling "matlab histogram" would have answered your question.
That link is for the documentation for histogram.
histogram(normpdf(x,4,4))
will do what you want.

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