In article <mailman.2069.1306324514.9059.python-l...@python.org>, Chris Angelico <ros...@gmail.com> wrote:
> On Wed, May 25, 2011 at 9:36 PM, Roy Smith <r...@panix.com> wrote: > > Remembering that I, J, K, L, M, and N were integer was trivial if you > > came from a math background. And, of course, Fortran was all about > > math, so that was natural. Those letters are commonly used for integers > > in formulae. If I write $ x sub i $, anybody who knows math would > > immediately assume that the range of x was reals and the range of i was > > integers. > > When I studied maths, x and y were reals, and i wasn't. But it wasn't > integer either... :) I was talking of i in the context of a variable, not as a constant. If I write $ 3 + 7i $ in one place and $ x sub i $ in another, most people will figure out from the context which is which.
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