From 6173c3975027aebe2929d3caef7676cf71f78ae6 Mon Sep 17 00:00:00 2001 From: johnnyliu27 Date: Thu, 18 May 2017 21:26:46 -0400 Subject: [PATCH] Fix three minor typos in multi-group scattering in methods/physics --- docs/source/methods/physics.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/docs/source/methods/physics.rst b/docs/source/methods/physics.rst index 5f9449aaa3..7a3204833b 100644 --- a/docs/source/methods/physics.rst +++ b/docs/source/methods/physics.rst @@ -229,10 +229,10 @@ incoming energy group is to select a random number (:math:`\xi`) between 0 and produced from the outgoing group (`g'`) data for the given incoming group (`g`): .. math:: - CDF = \sum_{g'=0}^{h}\Sigma_{s,g \rightarrow g'} + CDF = \sum_{g'=1}^{h}\Sigma_{s,g \rightarrow g'} If the scattering data is represented as a Legendre expansion, then the -value of :math:`\Sigma_{s,g \rightarrow g'}` above is the 0th order forthe +value of :math:`\Sigma_{s,g \rightarrow g'}` above is the 0th order for the given group transfer. If the data is provided as tabular or histogram data, then :math:`\Sigma_{s,g \rightarrow g'}` is the sum of all bins of data for a given `g` and `g'` pair. @@ -255,7 +255,7 @@ the value of :math:`\mu` is selected in a similar fashion to that described for the selection of the outgoing energy (since the energy group representation is simply a histogram representation) except the CDF is composed of the angular bins and not the energy groups. However, since we are interested in a specific -value of :math:`\mu` instead of a group, then an angle selected from a uniform +value of :math:`\mu` instead of a group, then an angle is selected from a uniform distribution within from the chosen angular bin. The final step in the scattering treatment is to adjust the weight of the