Re: question
- To: mathgroup at smc.vnet.net
- Subject: [mg21203] Re: question
- From: David Pearson <david.pearson at mail.nerc-essc.ac.uk>
- Date: Fri, 17 Dec 1999 01:24:53 -0500 (EST)
- Organization: ESSC
- References: <831sjn$fj2@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Use N like this: In[5]:= Cos[2]*Sin[3] Out[5]= Cos[2] Sin[3] In[6]:= N[Cos[2]*Sin[3]] Out[6]= -0.0587266 In[7]:= N[Cos[2]*Sin[3],50] Out[7]= -0.058726644927620981120326042262847486864949241583115 Alexandru Tintea wrote: > > In Mathematica Version 2.2. I can't write_and_evaluate Cos[2]*Sin[3] because > I receive a simple result: Cos[2]*Sin[3] > If I write Cos[0.2]*Sin[3.3] I receive a numeric result: 0.05756; > If I write Evaluate[Cos[0.2]]*Evaluate[Sin[3.3]] I receive a numeric result: > 0.05756; > If I write Evaluate[Cos[2]]*Evaluate[Sin[3]] I receive a literal result: > Evaluate[Cos[2]]*Evaluate[Sin[3]] > I set the path in the "init.m" file and I receive the same answers. > What can I do? > Thank You! -- David Pearson, Phone: +44 (0)118 9318741 ESSC, Fax: +44 (0)118 9316413 University of Reading, Email: dwcp at mail.nerc-essc.ac.uk Reading RG6 6AL, UK. www.nerc-essc.ac.uk/~dwcp/Home.html