r./ and *. do not work both ways as the phase angle has a limited range and the treatment of negative leading elements. For example:
*. r./ 3 2 3 2 *. r./ 3 20000 3 0.621167 *. r./ _3 2 3 _1.14159 ----- Original Message ----- From: Norman Thomson <[EMAIL PROTECTED]> Date: Tuesday, March 6, 2007 2:26 pm Subject: Re: [Jprogramming] Truncating > Programming forum <[email protected]> writes: > >[EMAIL PROTECTED] is the identity but [EMAIL PROTECTED] is not (the imaginary > >part of the result of ^. has magnitude less > >than o.1). Find your own application of [EMAIL PROTECTED]@^ . > Roger, > Thanks for the interesting list of dualities. As a tailpiece to > the above, > the pairs {j./ and +.} and {r./ and *.} work in a similar way > to the > above, only if I am right, the duality works in both directions. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
