stats_stat_binomial_coef

(PECL stats >= 1.0.0)

stats_stat_binomial_coef — Returns a binomial coefficient

说明

stats_stat_binomial_coef(int $x, int $n): float

Returns the binomial coefficient of n choose x.

参数

x

The number of chooses from the set

n

The number of elements in the set

返回值

Returns the binomial coefficient