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Re: Random Walk model

  • To: mathgroup at smc.vnet.net
  • Subject: [mg94211] Re: Random Walk model
  • From: Roland Franzius <roland.franzius at uos.de>
  • Date: Sun, 7 Dec 2008 05:43:52 -0500 (EST)
  • References: <ghf75m$pi7$1@smc.vnet.net>

PhysNova schrieb:
> hi,
> i am writing a program to employ random walk model to simulate solute
> transport in the ground. since the geometry is only half space (x>0) ,
> i could not manage the process to reject jumping to negative x value
> and force it to try calculate the expression again and again, until
> meet the geomtry condition.
> could you get me an idea?

Just forget the boundary and simulate processes on IR, identify x and -x 
and look for the distribution of the variable y=|x|.

-- 

Roland Franzius


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