DoseBuildUp:

--------------------------------------------------------------------------
   Dose build up for a spherical shield with a point source.
--------------------------------------------------------------------------
   Form:
   [phiB, b] = DoseBuildUp( r, material, e )
--------------------------------------------------------------------------

   ------
   Inputs
   ------
   r        (1,:) Radius (cm)
   material (1,:) Material (al, pb, w, fe);
   e        (1,1) Energy level (MeV)
   -------
   Outputs
   -------
   phiB     (1,:) Dose attenuation factor
   b        (1,:) Buildup factor

--------------------------------------------------------------------------

Children:

Common: Graphics/Plot2D