
{{alias}}( a, b, p, q )
    Computes the inverse of the lower incomplete beta function.

    Probabilities `p` and `q` must satisfy `p = 1 - q`.

    Parameters
    ----------
    a: number
        First function parameter (a positive number).

    b: number
        Second function parameter (a positive number).

    p: number
        Probability.

    q: number
        Probability equal to `1-p`.

    Returns
    -------
    out: Array
        Two-element array holding function value `y` and `1-y`.

    Examples
    --------
    > var y = {{alias}}( 3.0, 3.0, 0.2, 0.8 )
    [ ~0.327, ~0.673 ]
    > y = {{alias}}( 3.0, 3.0, 0.4, 0.6 )
    [ ~0.446, ~0.554 ]
    > y = {{alias}}( 1.0, 6.0, 0.4, 0.6 )
    [ ~0.082, ~0.918 ]
    > y = {{alias}}( 1.0, 6.0, 0.8, 0.2 )
    [ ~0.235, ~0.765 ]

    See Also
    --------

