>	restart:with(plottools):with(plots):with(LinearAlgebra):

Warning, the names arrow and changecoords have been redefined

>	plot2:=NULL:f:=vector([1,2,6]):g:=vector([1,2,-6]):for n from 1 to 24 do plot2:=plot2,arrow({f,g},color=blue,shape=double_arrow,axes=normal,scaling=unconstrained,orientation=[15*n,80]):od:display(plot2,insequence=true);

>