Maxima Function
kurtosis_exp (m)
Returns the kurtosis coefficient of an Exponential(m) random variable, with m>0.
The Exponential(m) random variable is equivalent to the Weibull(1,1/m), therefore when Maxima has not enough information to get the result, a noun form based on the Weibull kurtosis coefficient is returned.
(%i1) load (distrib)$ (%i2) kurtosis_exp(m); 1 (%o2) kurtosis_weibull(1, -) m (%i3) assume(m>0)$ kurtosis_exp(m); (%o4) 6