chebyshev_series_test, a FORTRAN90 code which calls chebyshev_series(), which can evaluate a Chebyshev series approximating a function f(x), while efficiently computing one, two or three derivatives of the series, which approximate f'(x), f''(x), and f'''(x), by Manfred Zimmer.
The computer code and data files made available on this web page are distributed under the MIT license
chebyshev_series, a FORTRAN90 code which evaluates a Chebyshev series approximating a function f(x), while efficiently computing one, two or three derivatives of the series, to approximate f'(x), f''(x), and f'''(x), by Manfred Zimmer.