StringReplace

*To*: mathgroup at smc.vnet.net*Subject*: [mg77759] StringReplace*From*: Bruce Colletti <vze269bv at verizon.net>*Date*: Sat, 16 Jun 2007 03:26:55 -0400 (EDT)

Re Mathematica 6.0 under WinXP. Create variable X by: - Punching the summation button in the BasicMathInputPalette - Filling in the blanks: index i goes from 1 to n, with term f[i] - Enclose the whole thing between double quotes, thus making X a string variable (or so I thought) Now I want to replace n by 3, and so enter: StringReplace[X,"n"->"3"] The output includes a pink box that replaces the sigma and its bounds. Thankfully, the f[i] appears. What causes this output and how can I get X to appear, although with n replaced by 3? Thanks. Bruce