Since a-:$a and $a is a vector, a must be a vector. If a is a vector, $a has one-element, so a must be a one-element vector, so $a must be ,1 . Since (again) a-:$a, that means a must be ,1.
There can only be one such value. ----- Original Message ----- From: Raul Miller <[email protected]> Date: Thursday, April 2, 2009 9:56 Subject: Re: [Jprogramming] trivial reshaping question To: Programming forum <[email protected]> > A related question is: > > How many different values can there be, in J, where the value of its > shape matches the value itself? > > For example, can you have > > A -: B > 0 > A -: $A > 1 > B -: $B > 1 > > Why, or why not? ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
