Re: Cumulative distribution of Gauss
- To: mathgroup at smc.vnet.net
- Subject: [mg18734] Re: Cumulative distribution of Gauss
- From: dreiss at earthlink.net (David Reiss)
- Date: Sat, 17 Jul 1999 02:36:49 -0400
- Organization: Scientific Arts
- References: <7mjqqb$f2v@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <7mjqqb$f2v at smc.vnet.net>, <sallier_daniel at wanadoo.fr> wrote: > Is there any analytical expression of the cumulative distribution of Gauss ? > If not, can someone provided me with a fast executing algorithm. I am > currently using pre-tabulated data. It is fine but its ends up to be rather > time consuming for highly iterative calculations. > > Thank you for assistance. > > D. SALLIER > > sallier_daniel at wanadoo.fr The package Statistics`NormalDistribution` has the cumulative (CDF) of a normal sidtribution (and the package Statistics`ContinuousDistributions` covers quite a few other distributions) In[2]:= Needs["Statistics`NormalDistribution`"] In[3]:= CDF[NormalDistribution[mu, sigma], x] Out[3]= 1/2*(1 + Erf[(-mu + x)/(Sqrt[2]*sigma)]) --David -- )------------------------------------( ) Scientific Arts: ( ) Creative Services and Consultation ( ) for the Applied and Pure Sciences ( ) ( )--------------------------------------- ) http://www.scientificarts.com ) ) David Reiss ) Email: dreiss at !Spamscientificarts.com )---------------------------------------