Re: Plotting an Array of Vectors

*To*: mathgroup at smc.vnet.net*Subject*: [mg124160] Re: Plotting an Array of Vectors*From*: Murray Eisenberg <murray at math.umass.edu>*Date*: Wed, 11 Jan 2012 04:25:27 -0500 (EST)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*References*: <201201101059.FAA27817@smc.vnet.net>*Reply-to*: murray at math.umass.edu

It's unclear to me what the tails and directions/lengths of those vectors are supposed to be. For example, is {3,4} in the _second_ row of your array supposed to indicate an arrow from {0,0} to {3,4}? On 1/10/12 5:59 AM, Peter Rodenbach wrote: > Hi everyone. > > 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?) > > Thanks > > Peter > > -- Murray Eisenberg murray at math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305

**References**:**Plotting an Array of Vectors***From:*Peter Rodenbach <peter.rodenbach@googlemail.com>