What are inexact numbers? You are suggesting real numbers were used, but in computing, as in real(!) life, we only use rationals.
R.E. Boss (Add your info to http://www.jsoftware.com/jwiki/Community/Demographics ) > -----Original Message----- > From: [email protected] [mailto:beta- > [email protected]] On Behalf Of Dan Bron > Sent: donderdag 13 november 2014 15:40 > To: [email protected] > Subject: Re: [Jbeta] Odd Pattern of Rationals > > Linda, exact numbers have to be exact from the get-go. If a number starts > out inexact, it will stay inexact forever, even if you later apply x: > (though then it will be quite exactly inexact :). > > Thus, to get 1r3 you must say 1r3. If you say 0.333 you'll get 0.333 . > That's not 1r3 and never will be. > > -Dan > > ----- Original Message --------------- > > Subject: [Jbeta] Odd Pattern of Rationals > From: "Linda Alvord" <[email protected]> > Date: Wed, 12 Nov 2014 23:10:14 -0500 > To: <[email protected]> > > Should 0.33333333 really be 1r3 ? > > > > x: 0.333333 > > 333333r1000000 > > x: 0.3333333 > > 3333333r10000000 > > x: 0.33333333 > > 1r3 > > x: 0.333333333 > > 166666671r500000014 > > x: 0.3333333333 > > 3333333057r9999999173 > > > > Linda > > ---------------------------------------------------------------------- > 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
