Adding flag for the QZ algorithm in chebtech/roots. Calling sequence: roots(f, 'qz', 1) turns on the QZ algorithm.
Adding flag for the QZ algorithm in chebtech/roots. Calling sequence: roots(f, 'qz', 1) turns on the QZ algorithm.

asgeirbirkis/chebfun,alshedivat/chebfun,ilovejs/chebfun