tasks a-s

2013-04-10 23:57:08 -07:00 · 2013-04-10 23:57:08 -07:00 · b83f433714
commit b83f433714
parent 47bf37c096
12433 changed files with 156208 additions and 123 deletions
--- a/Task/Scope-modifiers/Mathematica/scope-modifiers.math
+++ b/Task/Scope-modifiers/Mathematica/scope-modifiers.math
@ -0,0 +1,19 @@
+Module -> localize names of variables (lexical scoping)
+Block  -> localize values of variables (dynamic scoping)
+
+Module creates new symbols:
+
+Module[{x}, Print[x];
+ Module[{x}, Print[x]]
+]
+
+->x$119
+->x$120
+
+Block localizes values only; it does not create new symbols:
+
+x = 7;
+Block[{x=0}, Print[x]]
+Print[x]
+->0
+->7