Thanks to everyone who responded. I have posted a summary at http://www.jsoftware.com/papers/misc/indexorigin.htm
My own opinion is that index origin should be fixed and it should be fixed at 0. Please direct further discussion (if any) to J Chat. ----- Original Message ----- From: Roger Hui <[email protected]> Date: Saturday, July 24, 2010 6:18 Subject: [Jprogramming] index origin 0 To: Programming forum <[email protected]> > I have been asked by some APL colleagues about > index origin 0 in J. The question is, does the choice > of a fixed value of 0 for index origin a hindrance to > your work? The question is specifically addressed > to "ordinary domain experts", people with no > software engineering in their background and are not > professional mathematicians. > > In case you did not know, in APL there is a choice > known as the index origin, controlled by the variable > quad-io, of counting from 1 instead of from 0, affecting > the left argument of { and the result of i. , among other > things. > I will say no more than this to avoid biasing your answers. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
