stats_cdf_uniform

(PECL stats >= 1.0.0)

stats_cdf_uniform — Calculates any one parameter of the uniform distribution given values for the others

说明

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

Returns the cumulative distribution function, its inverse, or one of its parameters, of the uniform 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, a, and b denotes cumulative distribution function, the value of the random variable, the lower bound and the higher bound of the uniform distribution, respectively.

**Return value and parameters**
`which`	Return value	`par1`	`par2`	`par3`
1	CDF	x	a	b
2	x	CDF	a	b
3	a	x	CDF	b
4	b	x	CDF	a

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, a, or b, determined by which.

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