repl.txt (1471B)
1 2 {{alias}}( x, μ, c ) 3 Evaluates the cumulative distribution function (CDF) for a Lévy distribution 4 with location parameter `μ` and scale parameter `c` at a value `x`. 5 6 If provided `NaN` as any argument, the function returns `NaN`. 7 8 If provided `c <= 0`, the function returns `NaN`. 9 10 Parameters 11 ---------- 12 x: number 13 Input value. 14 15 μ: number 16 Location parameter. 17 18 c: number 19 Scale parameter. 20 21 Returns 22 ------- 23 out: number 24 Evaluated CDF. 25 26 Examples 27 -------- 28 > var y = {{alias}}( 2.0, 0.0, 1.0 ) 29 ~0.48 30 > y = {{alias}}( 12.0, 10.0, 3.0 ) 31 ~0.221 32 > y = {{alias}}( 9.0, 10.0, 3.0 ) 33 0.0 34 > y = {{alias}}( NaN, 0.0, 1.0 ) 35 NaN 36 > y = {{alias}}( 2, NaN, 1.0 ) 37 NaN 38 > y = {{alias}}( 2.0, 0.0, NaN ) 39 NaN 40 // Negative scale parameter: 41 > y = {{alias}}( 2.0, 0.0, -1.0 ) 42 NaN 43 44 45 {{alias}}.factory( μ, c ) 46 Returns a function for evaluating the cumulative distribution function (CDF) 47 of a Lévy distribution with location parameter `μ` and scale parameter `c`. 48 49 Parameters 50 ---------- 51 μ: number 52 Location parameter. 53 54 c: number 55 Scale parameter. 56 57 Returns 58 ------- 59 cdf: Function 60 Cumulative distribution function (CDF). 61 62 Examples 63 -------- 64 > var myCDF = {{alias}}.factory( 2.0, 3.0 ); 65 > var y = myCDF( 10.0 ) 66 ~0.54 67 > y = myCDF( 2.0 ) 68 0.0 69 70 See Also 71 -------- 72