Nah everyone should just listen to the mathematicians and allow for arbitrary index sets. Seriously though you save yourself a lot of trouble if you don't worr

Nah everyone should just listen to the mathematicians and allow for arbitrary index sets. Seriously though you save yourself a lot of trouble if you don't worry that much about what range your indices have but rather what they represent. The fact that they're integers starting at 0 is just an implementation detail.