Re: Chop in Mathematica 8.0.1
- To: mathgroup at smc.vnet.net
- Subject: [mg117496] Re: Chop in Mathematica 8.0.1
- From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
- Date: Mon, 21 Mar 2011 06:12:51 -0500 (EST)
- References: <ABB5EA59-C6A9-4090-949D-694C1337772E@mimuw.edu.pl>
Hmm... perhaps this is not a bug but a deliberate new design? Just evaluating 1.1 I returns 0. +1.1 It seems a purely cosmetic issue but it does look a rather "untraditional". Can anyone confirm that this is indeed an intentional change? Andrzej Kozlowski On 20 Mar 2011, at 12:44, 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