geopdf - Geometric probability density function
Syntax
Y = geopdf(X,P)
Description
Y = geopdf(X,P) computes
the geometric pdf at each of the values in X using
the corresponding probabilities in P. X and P can
be vectors, matrices, or multidimensional arrays that all have the
same size. A scalar input is expanded to a constant array with the
same dimensions as the other input. The parameters in P must
lie on the interval [0 1].
The geometric pdf is
where
.
Examples
Suppose you toss a fair coin repeatedly. If the coin lands face
up (heads), that is a success. What is the probability of observing
exactly three tails before getting a heads?
p = geopdf(3,0.5)
p =
0.0625
See Also
pdf, geocdf, geoinv, geostat, geornd
Geometric Distribution
 | geomean | | geornd |  |
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