Re: Plotting an Array of Vectors

*To*: mathgroup at smc.vnet.net*Subject*: [mg124155] Re: Plotting an Array of Vectors*From*: Bill Rowe <readnews at sbcglobal.net>*Date*: Wed, 11 Jan 2012 04:23:39 -0500 (EST)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com

On 1/10/12 at 5:59 AM, peter.rodenbach at googlemail.com (Peter Rodenbach) wrote: >I wan to plot an 50 x 50 array that has two dimensional vectors in >it like {{3,3},{3,2},{3,4},{2,3}.....},{{3,4},...},... >in a way that it looks like a bunch of compass needles. (Remember >that High School experiment in which you visualise the magnetic >field?) If you are using vers 8 of Mathematica look up VectorPlot in the Documentation Center. For earlier versions of Mathematica you will need to load the package Graphics`PlotField to get this an equivalent plotting function.