Gradient of a List
- To: mathgroup at smc.vnet.net
- Subject: [mg82557] Gradient of a List
- From: olalla <operez009 at ikasle.ehu.es>
- Date: Wed, 24 Oct 2007 04:34:28 -0400 (EDT)
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