# Limits of summation i<j

1. Nov 4, 2007

### AKBAR

Hi,

I'm having some trouble understanding what is meant when the limit of a summation is i<j. Does it mean the limits are i = 0 to i = j?

Thanks!

2. Nov 4, 2007

### arildno

If i is always strictly less than j, then index i's maximal value is j-1.