Re: Numerical calculation of derivative functions
- To: mathgroup at smc.vnet.net
- Subject: [mg17065] Re: Numerical calculation of derivative functions
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Wed, 14 Apr 1999 02:12:08 -0400
- Organization: Universitaet Leipzig
- References: <7es398$cc0@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi Lars, do you mean the Mathematica function Sin[] instead your new function sin[] and Cos[] instead of cos[]? Jens > I think the problem is related that I cannot force Mathematica to first > evaluate the differential and subsequently substitutes the x by 1 in the > cos. (My real problem involves unknown dimensions of arrays in a non-linear > optimization problem). > > Thank you for your help, > Lars Venema