describe environment size calculations

diff --git a/kinetic_formalism_competition.Rnw b/kinetic_formalism_competition.Rnw
index 54e7fa8c02f5a022c0ffb1447bf0495cf14970f1..79900c83bf128a12dc6dab04ba36a7f6213b0171 100644 (file)
--- a/kinetic_formalism_competition.Rnw
+++ b/kinetic_formalism_competition.Rnw
@@ -1406,6 +1406,12 @@ $10^{-10}\mathrm{M}$. The base concentration ($10^{-10}\mathrm{M}$)
 can also be altered at the initialization of the experiment to
 specific values for specific lipid types or components.
 
+The environment is a volume which is the maximum number of vesicles
+from a single simulation (4096) times the maximum size of the vesicle
+(usually 10000) divided by Avagadro's number divided by the total
+environmental lipid concentration, or usually
+\Sexpr{4096*10000/6.022E23/141E-10}~L.
+
 \subsection{Initial Vesicle Creation}
 
 Initial vesicles are seeded by selecting lipid molecules from the