XLPack 7.0
XLPack Numerical Library (Excel VBA) Reference Manual
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◆ Betaxc()

Function Betaxc ( A As  Double,
B As  Double,
X As  Double,
Optional Info As  Long 
)

Compliment of incomplete beta function 1 - Bx(a, b)

Purpose
Computes the compliment of the incomplete beta function 1 - Bx(a, b).
1 - Bx(a, b) = B(1-x)(b, a)
Returns
Double
Compliment of incomplete beta function 1 - Bx(a, b).
Parameters
[in]AArgument a. (A > 0)
[in]BArgument b. (B > 0)
[in]XArgument x. (0 <= X <= 1)
[out]Info(Optional) = 0: Successful exit.
= -1: The argument A had an illegal value. (A <= 0)
= -2: The argument B had an illegal value. (B <= 0)
= -3: The argument X had an illegal value. (X < 0 or X > 1)
= 1: Floating point range error.
Reference
boost/math/special_functions