Dude, just because somebody obviously hasn't read the threads doesn't automatically make them a shill. I think you're jumping the gun a bit telling them to fuck off.
iMax denotes how many instances of the variable i are generated in the grid. I'm not entirely sure what you're doing but iMax is irrelevant to the grid values themselves. The grid code runs a loop with another loop inside it. The outer loop has a variable called i, which starts at a value of 0. The inner loop has a variable j that also starts at a value of 0. j increases by 1 until it equals i. Once j = i, i increases by 1 and j goes back to zero. For every pair of valid i and j values (from 1 up to iMax), the variables e, n, d, x, a and b are calculated and put into the grid. We have resources around if you want to know about the grid more in depth, as well as all of our previous threads. We're doing quite different stuff to what we were doing two months ago, so it would be well worth the effort reading through those threads if you'd like to catch up, and there are some other designated threads where you can ask those of us who have been here the whole time questions if you're confused (there are separate threads so that we keep everything in this thread completely relevant is all).