standardChop

Choose a truncation index for a Chebyshev coefficient sequence.

Developer documentation: this item describes internal implementation details.

Declaration 

 cutoff = standardChop(coeffs,tol)

Parameters

  • coeffs coefficient sequence
  • tol chopping tolerance

Returns

  • cutoff retained coefficient count

Discussion 

          Copyright 2017 by The University of Oxford and The Chebfun Developers.   See http://www.chebfun.org/ for Chebfun information.

This is taken, without comments and safe checks, from the above developers. They get sole credit. Jared Aurentz and Nick Trefethen, July 2015.