repl.txt (524B)
1 2 {{alias}}( α, β ) 3 Returns the expected value of an inverse gamma distribution. 4 5 If `α <= 1` or `β <= 0`, the function returns `NaN`. 6 7 If `α` or `β` is `NaN`, the function returns `NaN`. 8 9 Parameters 10 ---------- 11 α: number 12 Shape parameter. 13 14 β: number 15 Rate parameter. 16 17 Returns 18 ------- 19 out: number 20 Expected value. 21 22 Examples 23 -------- 24 > var v = {{alias}}( 4.0, 12.0 ) 25 4.0 26 > v = {{alias}}( 8.0, 2.0 ) 27 ~0.286 28 29 See Also 30 -------- 31