View Single Post
Old 2008-04-18, 00:19   #1
roger's Avatar
Oct 2006

22·5·13 Posts
Default Σ summation increments

How is a summation expressed when the increment from one value in an expression to another is greater than one?

For example, if I wanted the summation of a seried with the increment of the variable values being two, would I have to write earlier in the expression: let [variable] = 2*x ?

I don't know how to do TEX code, so here's a picture:

Attached Images
roger is offline   Reply With Quote