initial upload

documentation/lagrit_manual/commands/define.txt

@@ -0,0 +1,60 @@
+.. _define:
+
+> &nbsp_place_holder;
+
+>
+
+> **_DEFINE_**
+
+>
+
+>> Allows a number to be associated with a character string, such that the
+character string can be used in input decks in place of the&nbsp_place_holder;
+number. The keyword _remove _in the third argument will remove a defined
+variable from the stack of defined variables.
+
+>
+
+> &nbsp_place_holder;FORMAT:
+
+>
+
+>> `**define /** name / value_real
+
+``**define /** name / value_integer`
+
+`**define /** name / value_character`
+
+`**define /** name / remove`
+
+>
+
+> EXAMPLE:
+
+>
+
+>> `**define **/ nx / 3
+
+**define **/ ny / 4   
+**define** / nz / 5   
+**define **/ bottom / 0.1  
+**define **/ top / 4.0   
+**define** / left / 9.8   
+**define** / type / reflect  
+  
+**surface**/s1/reflect/box/0.0,left,bottom/1.0,right,top   
+**rz**/xyz/nx/nz/0.0,left,bottom/1.0,right,top/1,1,1  
+  
+``**define **/ top / 5.0 `
+
+`**surface**/s1/reflect/box/0.0,left,bottom/1.0,right,top
+
+**rz**/xyz/nx/nz/0.0,left,bottom/1.0,right,top/1,1,1`  
+  
+`**define** / nx / remove
+
+**define** / ny / remove  
+**define** / nz / remove`  
+
+  
+