f_dgammapdx.ihlp

是一个经济学管理应用软件 很难找的 但是经济学学生又必须用到

{* 30nov2004}{...}
{phang}
{cmd:dgammapdx(}{it:a}{cmd:,}{it:x}{cmd:)} returns the partial derivative
	of the cumulative Gamma distribution
	{cmd:gammap(}{it:a}{cmd:,}{it:x}{cmd:)}
	with respect to {it:x}, for {it:a} > 0.{p_end}