Generates gamma distribution probability density function values at specified locations. |
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Syntax |
PDF = GammaPDF(Points, a, b) |
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Arguments |
Name |
Description |
Points |
A scalar, vector, or matrix of positive data points at which the density function is to be evaluated. The output is 0 for negative values. |
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a |
Shape parameter. A positive scalar. See Comments. |
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b |
Scale parameter. A positive scalar. See Comments. |
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Outputs |
Name |
Description |
A scalar, vector, or matrix of the density function values at the given points. The same size as Points. |
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Example 1 |
Find the gamma probability density function at points 1, 3, and 8 with parameters a = 2 and b = 5. |
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Syntax |
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pdf = GammaPDF([1,3,8],2,5) |
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Results |
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pdf = 0.032749 0.065857 0.064607 |
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Comments |
The form of distribution function is such that the mean is a*b. |
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See Also: |