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Re: How to plot divergence of gradient as contour plot

• To: mathgroup at smc.vnet.net
• Subject: [mg124030] Re: How to plot divergence of gradient as contour plot
• From: Gabriel Landi <gtlandi at gmail.com>
• Date: Fri, 6 Jan 2012 04:17:24 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• References: <201201051100.GAA14785@smc.vnet.net>

The best I could come up was 

Needs["VectorAnalysis`"]
ContourPlot[
 Evaluate[Div@Grad@Sin[Xx + Yy] /. {Xx -> x, Yy -> y}], {x, -5, 5}, {y, -5, 
  5}]

Gabriel

On Jan 5, 2012, at 9:00 AM, Szymon Roziewski wrote:

> Hello there,
> 
> I am concerning to plot something like that.
> 
> ContourPlot[Divergence[Gradient[Sin[x + y]]], {x, -5, 5}, {y, -5, 5}]
> 
> Plotting divergence of gradient scalar field.
> How can I manage to do that?
> 
> Best regards,
> Szymon Roziewski

• References:
  • How to plot divergence of gradient as contour plot
    • From: Szymon Roziewski <szymon.roziewski@gmail.com>