


The Logarithmic Distribution
============================

.. function:: gsl_ran_logarithmic(p)

 This function returns a random integer from the :index:`logarithmic
 distribution`. The probability distribution for logarithmic
 random variates is,

 .. math::
   p(k) = {-1 \over \log(1-p)} {\left(p^k \over k\right)}

 for :math:`k \geq 1`.

.. function:: gsl_ran_logarithmic_pdf(k, p)

 This function computes the probability :math:`p(k)` of obtaining :math:`k` from
 a logarithmic distribution with probability parameter ``p``, using the
 formula given above.
