Gaussian Distribution fit to Known Data?

2014 2 11
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更新时间：2014 2 11
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Hey all. I'm trying to make a Gaussian curve fit to a histogram made with data I already have. It is not normalized and I do not know anything about the curve other than what data it needs to fit. What function in MATLAB can I use to calculate sigma and mu? Thanks for your help.

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回答（2 个）

the cyclist
the cyclist 2014-2-11

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If you have the Statistics Toolbox, you can use normfit().
adam
adam 2014-2-11

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Where do I get the Statistics Toolbox? I'm using a student edition of MATLAB. Do I have to download it from somewhere?

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the cyclist
the cyclist 2014-2-11
According to this page, the student version comes with the Statistics Toolbox. If you type
ver
at the command line, you should see it listed.
Type
doc normfit
to see the syntax for the normfit() command.

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adam
adam
2014-2-11

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the cyclist
the cyclist
2014-2-11

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