Demos .....\d.m .....\demofour.m .....\demoone.m .....\demothree.m .....\demotwo.m .....\discretesignals.m .....\interpolate.m .....\laatex.m .....\SIGADD.M .....\SIGFOLD.M .....\SIGMULT.M .....\SIGSHIFT.M .....\u.m .....\Untitled.m