Re: Is there a simple way to transform 1.1 to 11/10?
- To: mathgroup at smc.vnet.net
- Subject: [mg92991] Re: Is there a simple way to transform 1.1 to 11/10?
- From: amzoti <amzoti at gmail.com>
- Date: Wed, 22 Oct 2008 05:38:28 -0400 (EDT)
- References: <gdkajv$4r2$1@smc.vnet.net>
On Oct 21, 3:23 am, Alain Cochard <al... at geophysik.uni-muenchen.de> wrote: > The obvious > > In[1]:= x=1.1`Infinity > > is not syntactically correct. > > I understand that SetPrecision[1.1,Infinity] does not work either: > > In[3]:= SetPrecision[1.1,Infinity] > > 2476979795053773 > Out[3]= ---------------- > 2251799813685248 > > In[4]:= N[%,20] > > Out[4]= 1.1000000000000000888 > > I searched the newsgroup and thought I had the solution with Rationalize: > > In[5]:= Rationalize[1.1,0] > > 11 > Out[5]= -- > 10 > > But > > In[9]:= Rationalize[1.000000001,0] > > 999999918 > Out[9]= --------- > 999999917 > > In[10]:= N[%,20] > > Out[10]= 1.0000000010000000830 > > So any simple way? > > Thanks, > Alain Rationalize[1.1]