77 lines
1.5 KiB
Plaintext
77 lines
1.5 KiB
Plaintext
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{{alias}}( p, k, λ )
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Evaluates the quantile function for a Weibull distribution with scale
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parameter `k` and shape parameter `λ` at a probability `p`.
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If `p < 0` or `p > 1`, the function returns `NaN`.
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If provided `NaN` as any argument, the function returns `NaN`.
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If provided a nonpositive value for `λ` or `k`, the function returns `NaN`.
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Parameters
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----------
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p: number
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Input probability.
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k: number
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Shape parameter.
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λ: number
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Scale parameter.
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Returns
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-------
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out: number
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Evaluated quantile function.
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Examples
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--------
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> var y = {{alias}}( 0.8, 1.0, 1.0 )
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~1.609
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> y = {{alias}}( 0.5, 2.0, 4.0 )
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~3.33
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> y = {{alias}}( 1.1, 1.0, 1.0 )
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NaN
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> y = {{alias}}( -0.2, 1.0, 1.0 )
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NaN
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> y = {{alias}}( NaN, 0.0, 1.0 )
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NaN
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> y = {{alias}}( 0.0, NaN, 1.0 )
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NaN
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> y = {{alias}}( 0.0, 0.0, NaN )
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NaN
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> y = {{alias}}( 0.5, 1.0, -1.0 )
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NaN
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{{alias}}.factory( k, λ )
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Returns a function for evaluating the quantile function of a Weibull
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distribution with scale parameter `k` and shape parameter `λ`.
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Parameters
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----------
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k: number
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Shape parameter.
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λ: number
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Scale parameter.
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Returns
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-------
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quantile: Function
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Quantile function.
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Examples
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--------
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> var myQuantile = {{alias}}.factory( 2.0, 10.0 );
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> var y = myQuantile( 0.4 )
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~7.147
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See Also
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--------
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