Re: desperately seeking better minimax approximation package
- To: mathgroup at smc.vnet.net
- Subject: [mg4183] Re: desperately seeking better minimax approximation package
- From: Harald Berndt <haraldb at nature.berkeley.edu>
- Date: Tue, 11 Jun 1996 00:54:12 -0400
- Organization: University of California Forest Products Lab
- Sender: owner-wri-mathgroup at wolfram.com
John Bunda wrote: > > the maximum error is minimized. For example, sin(x) could be > approximated as: > p(x) = c1x + c3*x^3 + c5*x^5 + ... > where c1, c3, and c5 are chosen to minimize the maximum error > between p(x) and sin(x). The trouble with the minimax package > that comes with Mathematica is it requires me to have terms > with strictly sequential powers - I can't skip the x^2 and x^4 Skipping x^2 and x^4 means c2 and c4 would be 0, no? I'm not sure I see the problem. -- _______________________________________________________________ Harald Berndt University of California Research Specialist Forest Products Laboratory Phone: 510-215-4224 FAX:510-215-4299 _______________________________________________________________ ==== [MESSAGE SEPARATOR] ====