Re: Chop in Mathematica 8.0.1
- To: mathgroup at smc.vnet.net
- Subject: [mg117554] Re: Chop in Mathematica 8.0.1
- From: Murray Eisenberg <murray at math.umass.edu>
- Date: Tue, 22 Mar 2011 05:09:47 -0500 (EST)
Same thing for same version (8.0.1) but under Windows XP -- except that, evidently, you've increased the numerical display precision from its normal default. On 3/21/2011 7:18 AM, Andrzej Kozlowski wrote: > Chop does not seem to work properly in Mathematica 8.0.1: > > f[a_] := 2 I Pi Sin[a]/a > > In[2]:= f[1.] > > Out[2]= 0. + 5.287118128162912*I > > In[3]:= Chop[%] > > Out[3]= 0. + 5.287118128162912*I > > This is with > > In[4]:= $Version > > Out[4]= 8.0 for Mac OS X x86 (64-bit) (February 23, 2011) > > Mathematica 7.01 returns 5.287118128162912*I as expected. > > Can anyone confirm it? At the moment I can't see any simple work around... > > Andrzej Kozlowski > -- Murray Eisenberg murray at math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305