stats_cdf_cauchy

    (PECL stats >= 1.0.0)

    stats_cdf_cauchy — Calculates any one parameter of the Cauchy distribution given values for the others

    说明

    stats_cdf_cauchy(
        float $par1,
        float $par2,
        float $par3,
        int $which
    ): float

    Returns the cumulative distribution function, its inverse, or one of its parameters, of the Cauchy distribution. The kind of the return value and parameters (par1, par2, and par3) are determined by which.

    The following table lists the return value and parameters by which. CDF, x, x0, and gamma denotes cumulative distribution function, the value of the random variable, the location and the scale parameter of the Cauchy distribution, respectively.

    Return value and parameters
    which Return value par1 par2 par3
    1 CDF x x0 gamma
    2 x CDF x0 gamma
    3 x0 x CDF gamma
    4 gamma x CDF x0

    参数

    par1

    The first parameter

    par2

    The second parameter

    par3

    The third parameter

    which

    The flag to determine what to be calculated

    返回值

    Returns CDF, x, x0, or gamma, determined by which.

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