Documentation/How Tos/Calc: WEIBULL function

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WEIBULL

Calculates values for a Weibull distribution.

Syntax:

WEIBULL(x; k; λ; mode)

The Weibull distribution is a continuous probability distribution, with parameters k > 0 (shape) and λ > 0 (scale).
If mode is 0, WEIBULL calculates the probability density function of the Weibull distribution:
Calc weibull1 equation.png
If mode is 1, WEIBULL calculates the cumulative distribution function of the Weibull distribution:
Calc weibull0 equation.png

Example:

WEIBULL(2.5; 3; 4; 1)

returns approximately 0.2166, the value of the probability density function with k = 3 and λ = 4 at x = 2.5.

WEIBULL(2.5; 3; 4; 0)

returns approximately 0.2295, the value of the cumulative distribution function with k = 3 and λ = 4 at x = 2.5.



See Also
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