File list (Check if you may need any files):
derivative_Filter_Design
........................\deriv2_err.m
........................\deriv3_err.m
........................\design_deriv.m
........................\fulltohalf.m
........................\halftofull.m
........................\intersect.m
........................\rotate.m
........................\rot_invariance_err.m
........................\showfilt.m
........................\showfreq.m
........................\solution10.mat
........................\solution11.mat