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{{alias}}( x, a, b, regularized, upper )
Computes the kernel function for the regularized incomplete beta function.
The `regularized` and `upper` parameters specify whether to evaluate the
non-regularized and/or upper incomplete beta functions, respectively.
If provided `x < 0` or `x > 1`, the function returns `[ NaN, NaN ]`.
If provided `a < 0` or `b < 0`, the function returns `[ NaN, NaN ]`.
If provided `NaN` for `x`, `a`, or `b`, the function returns `[ NaN, NaN ]`.
Parameters
----------
x: number
First function parameter.
a: number
Second function parameter.
b: number
Third function parameter.
regularized: boolean
Boolean indicating whether the function should evaluate the regularized
or non-regularized incomplete beta function.
upper: boolean
Boolean indicating whether the function should return the upper tail of
the incomplete beta function.
Returns
-------
y: Array|TypedArray|Object
Function value and first derivative.
Examples
--------
> var out = {{alias}}( 0.8, 1.0, 0.3, false, false )
[ ~1.277, ~0.926 ]
> out = {{alias}}( 0.2, 1.0, 2.0, true, false )
[ 0.36, 1.6 ]
{{alias}}.assign( x, a, b, regularized, upper, out, stride, offset )
Computes the kernel function for the regularized incomplete beta function.
The `regularized` and `upper` parameters specify whether to evaluate the
non-regularized and/or upper incomplete beta functions, respectively.
If provided `x < 0` or `x > 1`, the function returns `[ NaN, NaN ]`.
If provided `a < 0` or `b < 0`, the function returns `[ NaN, NaN ]`.
If provided `NaN` for `x`, `a`, or `b`, the function returns `[ NaN, NaN ]`.
Parameters
----------
x: number
First function parameter.
a: number
Second function parameter.
b: number
Third function parameter.
regularized: boolean
Boolean indicating whether the function should evaluate the regularized
or non-regularized incomplete beta function.
upper: boolean
Boolean indicating whether the function should return the upper tail of
the incomplete beta function.
out: Array|TypedArray|Object
Output array.
stride: integer
Output array stride.
offset: integer
Output array index offset.
Returns
-------
y: Array|TypedArray|Object
Function value and first derivative.
Examples
--------
> var out = [ 0.0, 0.0 ];
> var v = {{alias}}.assign( 0.2, 1.0, 2.0, true, true, out, 1, 0 )
[ 0.64, 1.6 ]
> var bool = ( v === out )
true
See Also
--------
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