Abstract.
Symbolic computation with functions of a real variable suffers from combinatorial explosion of memory and computation time. The alternative chebfun system for such computations is described, based on Chebyshev expansions and barycentric interpolation.
Article PDF
Similar content being viewed by others
Avoid common mistakes on your manuscript.
Author information
Authors and Affiliations
Corresponding author
Additional information
For Richard Brent on his 60th birthday
Rights and permissions
About this article
Cite this article
Trefethen, L.N. Computing Numerically with Functions Instead of Numbers. Math.comput.sci. 1, 9–19 (2007). https://doi.org/10.1007/s11786-007-0001-y
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11786-007-0001-y