conv_m.m evenodd.m EX020900.M EX021000.M EXAMPLE2D1.m EXAMPLE2D2.m EXAMPLE2D3.m EXAMPLE2D4.m EXAMPLE2D5.m EXAMPLE2D8.m EXAMPLE2D67.m sigadd.m sigfold.m sigmult.m sigshift.m sinusoidseq.m stepseq.m usamplesq.m ustepsq.m