Power-function distribution

The probability density function for power-function distribution is:

.. math::

f(x, k) = k x^{k-1}

where :math:0 \le x \le 1, k > 0.

The following plots show the pdf and cdf:

.. image:: ../../../../tests/imgs/stats/continuous/powerlaw/powerlawpdf.png :align: center :width: 480

.. image:: ../../../../tests/imgs/stats/continuous/powerlaw/powerlawcdf.png :align: center :width: 480