Diff of /trunk/doc/user/firststep.tex

revision 3342 by caltinay, Mon Nov 1 05:21:18 2010 UTC revision 3343 by jfenwick, Wed Nov 10 02:01:29 2010 UTC
66  of nested $\sum$ symbols makes formulas cumbersome, and we use the more  of nested $\sum$ symbols makes formulas cumbersome, and we use the more
68  drops the $\sum$ sign and assumes that a summation is performed over any repeated index.  drops the $\sum$ sign and assumes that a summation is performed over any repeated index.