How many terms in Chebyshev evaluation?
Enter n between 6 and 40. (n=0 to end).

        x         actual    chebyshev fit 
   -1.256637     0.632073     0.632072
   -1.099557     0.852077     0.852077
   -0.942478     0.798917     0.798917
   -0.785398     0.603301     0.603301
   -0.628319     0.372488     0.372488
   -0.471239     0.179244     0.179244
   -0.314159     0.057987     0.057987
   -0.157080     0.007624     0.007624
    0.000000     0.000000     0.000000
    0.157080    -0.007624    -0.007624
    0.314159    -0.057987    -0.057987
    0.471239    -0.179244    -0.179244
    0.628319    -0.372488    -0.372488
    0.785398    -0.603301    -0.603301
    0.942478    -0.798917    -0.798917
    1.099557    -0.852077    -0.852077
    1.256637    -0.632073    -0.632072

How many terms in Chebyshev evaluation?
Enter n between 6 and 40. (n=0 to end).

        x         actual    chebyshev fit 
   -1.256637     0.632073     0.644117
   -1.099557     0.852077     0.814509
   -0.942478     0.798917     0.748011
   -0.785398     0.603301     0.575984
   -0.628319     0.372488     0.384780
   -0.471239     0.179244     0.223244
   -0.314159     0.057987     0.110213
   -0.157080     0.007624     0.042021
    0.000000     0.000000     0.000000
    0.157080    -0.007624    -0.042021
    0.314159    -0.057987    -0.110213
    0.471239    -0.179244    -0.223244
    0.628319    -0.372488    -0.384780
    0.785398    -0.603301    -0.575984
    0.942478    -0.798917    -0.748011
    1.099557    -0.852077    -0.814509
    1.256637    -0.632073    -0.644117

How many terms in Chebyshev evaluation?
Enter n between 6 and 40. (n=0 to end).