repl.txt (630B)
1 2 {{alias}}( x, n ) 3 Computes the falling factorial of `x` and `n`. 4 5 If not provided a nonnegative integer for `n`, the function returns `NaN`. 6 7 If provided `NaN` as any argument, the function returns `NaN`. 8 9 Parameters 10 ---------- 11 x: number 12 First function parameter. 13 14 n: integer 15 Second function parameter. 16 17 Returns 18 ------- 19 y: number 20 Function value. 21 22 Examples 23 -------- 24 > var v = {{alias}}( 0.9, 5 ) 25 ~0.644 26 > v = {{alias}}( -9.0, 3 ) 27 -990.0 28 > v = {{alias}}( 0.0, 2 ) 29 0.0 30 > v = {{alias}}( 3.0, -2 ) 31 NaN 32 33 See Also 34 -------- 35