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Gamic
Complementary incomplete gamma function.
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Loading LOADSUB ALL FROM "IGAMMA.HTS"
or LOADSUB FROM "MATHLIB.HTS"
Usage REAL A,X,Y
Y=FNGamic(A,X)
Description
FNGamic returns the value of the complementary incomplete gamma function of a and x, (a,x). Although the complementary incomplete gamma function is defined for all values of x, this subroutine only works with values of x > 0 or x = 0 and a > 0.
(a,x) is defined by the expression
 (a,x)
 Errors
FNGamic causes an HTBasic error if its arguments are not all of type REAL, if x < 0, or if x = 0 and a 0.
See Also
Gamit, Gamma, Igamma
Note
The notation (a,x) causes this function to be confused with the gamma function, (x).
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