freeman code ............\fchaver.m ............\fchcamp.m ............\fchccre.m ............\fchccsde.m ............\fchcenter.m ............\fchcode.asv ............\fchcode.m ............\fchdiff.m ............\fchent.m ............\fchlength.m ............\fchposs.m ............\fchsum.m ............\fchtotal.m ............\find_ini.m