File list (Check if you may need any files):
trefethen_Mfiles
................\p30c.m
................\cheb.m
................\p30b.m
................\p23a.m
................\p24fine.m
................\p1.m
................\p2.m
................\p4.m
................\p15.m
................\p12.m
................\p5.m
................\p13.m
................\p27.m
................\p14.m
................\p6.m
................\p7.m
................\p9.m
................\p28b.m
................\p16.m
................\p18.m
................\p28.m
................\p10.m
................\p19.m
................\p8.m
................\chebfft.m
................\p22.m
................\p20.m
................\p11.m
................\p23.m
................\p24.m
................\p21.m
................\p25.m
................\p6u.m
................\p29.m
................\p30.m
................\p37.m
................\p32.m
................\p38.m
................\p39.m
................\p40.m
................\p20u.m
................\p35.m
................\p36.m
................\p17.m
................\p34.m
................\p3.m
................\clencurt.m
................\gauss.m
................\p33.m
................\p31.m
................\p26.m
................\davies.m