demo ....\ball.m ....\cross.m ....\disc.m ....\niceball.m ....\nicecross.m ....\nicecube.m ....\nicedisc.m ....\nicering.m ....\nicesquare.m ....\plot_nodes.m ....\plot_points.m ....\ring.m ....\somdemo.m ReadMe src ...\closest.m ...\eucdist.m ...\index_of_closest.m ...\mag.m ...\pickrand.m ...\randindex.m ...\scale.m ...\som.m ...\somlearn.m ...\update_weights.m