Scilab 5.3.3
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See the recommended documentation of this function
gamma
The gamma function.
Calling Sequence
y = gamma(x)
Arguments
- x
real vector or matrix
- y
real vector or matrix with same size than x.
Description
gamma(x)
evaluates the gamma function at all the
elements of x
. The gamma function is defined by
:
and generalizes the factorial function for real numbers
(gamma(n+1) = n!
).
Examples
// simple examples gamma(0.5) gamma(6)-prod(1:5) // the graph of the Gamma function on [a,b] a = -3; b = 5; x = linspace(a,b,40000)'; y = gamma(x); clf() c=xget("color") xset("color",2) plot2d(x, y, style=0, axesflag=5, rect=[a, -10, b, 10]) xset("color",c) xtitle("The gamma function on ["+string(a)+","+string(b)+"]") show_window()
See Also
Authors
W. J. Cody and L. Stoltz (code from Netlib (specfun))
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