repl.txt (1092B)
1 2 {{alias}}( t, k ) 3 Evaluates the moment-generating function (MGF) for a chi-squared 4 distribution with degrees of freedom `k` at a value `t`. 5 6 If provided `NaN` as any argument, the function returns `NaN`. 7 8 If provided `k < 0`, the function returns `NaN`. 9 10 Parameters 11 ---------- 12 t: number 13 Input value. 14 15 k: number 16 Degrees of freedom. 17 18 Returns 19 ------- 20 out: number 21 Evaluated MGF. 22 23 Examples 24 -------- 25 > var y = {{alias}}( 0.4, 2 ) 26 ~5.0 27 > y = {{alias}}( -1.0, 5.0 ) 28 ~0.0642 29 > y = {{alias}}( 0.0, 10.0 ) 30 1.0 31 32 33 {{alias}}.factory( k ) 34 Returns a function for evaluating the moment-generating function (MGF) of a 35 chi-squared distribution with degrees of freedom `k`. 36 37 Parameters 38 ---------- 39 k: number 40 Degrees of freedom. 41 42 Returns 43 ------- 44 mgf: Function 45 Moment-generating function (MGF). 46 47 Examples 48 -------- 49 > var mymgf = {{alias}}.factory( 1.0 ); 50 > var y = mymgf( 0.2 ) 51 ~1.291 52 > y = mymgf( 0.4 ) 53 ~2.236 54 55 See Also 56 -------- 57