> As an EE, I never had problems switching between i and j, and none of my
> college friends seem to have had problems either. Perhaps because
> everyone was taking EE classes at the same time as math classes, so i
> and j were always in use at the same time. The only time it was
> confusing if someone wanted to use i or j as an summation index.
One way to avoid problems with indexes, is to use idx, jdx, kdx, etc.
Tom Dean