We can re-express your solution as + _1 * 5j6 _5j6 _1 * + 5j6 _5j6
so that you are using only multiplication and conjugation. (I didn't mention negation!) A VERY NICE SOLUTION Sent from my iPad On Sep 16, 2013, at 3:06 AM, Bo Jacoby <[email protected]> wrote: > +-5j6 > _5j6 > -+5j6 > _5j6 > > > > > > >> ________________________________ >> Fra: Roger Hui <[email protected]> >> Til: Programming forum <[email protected]> >> Sendt: 7:46 mandag den 16. september 2013 >> Emne: Re: [Jprogramming] Plotting complex lists >> >> >>> For complex analysis purists, it is possible to change the sign of the >> real part using only multiplication and conjugation -- an exercise left for >> the reader. >> >> +&.j. 3j4 >> _3j4 >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
