Re: Gradient of a List
- To: mathgroup at smc.vnet.net
- Subject: [mg82565] Re: Gradient of a List
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Thu, 25 Oct 2007 06:00:55 -0400 (EDT)
- Organization: Uni Leipzig
- References: <ffn0uv$60k$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi, interpolate the data ? and build the gradient of the interpolation. Regards Jens olalla wrote: > Hi everybody, > > Does anybody know how can I get the "gradient" of a list of points? > > My real problem is: > > I have a scalar field previously obtained numerically that for a > given point (xi,yi) takes a value f(xi,yi). What I want to do is an > estimation of the gradient of this scalar field BUT I haven't got any > analytical function that expresses my field so I can't use the Grad > function. > > How can I solve this using Mathematica? > > Thanks in advance > > Olalla, Bilbao UPV/EHU >