Re: Baffling change to partial derivative in version 5.1
- To: mathgroup at smc.vnet.net
- Subject: [mg61713] Re: Baffling change to partial derivative in version 5.1
- From: "Scout" <mathem at tica.org>
- Date: Thu, 27 Oct 2005 05:01:38 -0400 (EDT)
- References: <djcgvr$6n9$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
"Steven HANCOCK" <Steven.Hancock at cern.ch> news:djcgvr$6n9$1 at smc.vnet.net... > > Merely changing the spelling of the variable from t to time does not > return zero in version 4.2. > Thanks, Steve. > I will never abandon Mathematica 4.0! In[1]:= $Version Out[1]= "4.0 for Microsoft Windows (April 21, 1999)" In[2]:= D[x y, time, NonConstants -> {x}] Out[2]= y D[x, time, NonConstants -> {x}]