Re: Chop in Mathematica 8.0.1
- To: mathgroup at smc.vnet.net
- Subject: [mg117534] Re: Chop in Mathematica 8.0.1
- From: Matthias Bode <lvsaba at hotmail.com>
- Date: Tue, 22 Mar 2011 05:06:08 -0500 (EST)
Hola Andrzej: In[1]:= f[a_] := 2*I*Pi*(Sin[a]/a) f[1.] Chop[%] $Version Out[2]= 0. + 5.287118128162912*I Out[3]= 0. + 5.287118128162912*I Out[4]= "8.0 for Microsoft Windows (32-bit) (February 24, 2011)" In reality version 8.0.1. Best regards, MATTHIAS BODE S 17.35775=B0, W 066.14577=B0 2'740 m AMSL. > Date: Mon, 21 Mar 2011 06:18:18 -0500 > From: akoz at mimuw.edu.pl > Subject: [mg117525] Chop in Mathematica 8.0.1 > To: mathgroup at smc.vnet.net > > 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 >