RE: Large components in gradient vector

From: William Bachman Date: April 04, 2001 technical Source: cognigencorp.com
From: "Bachman, William" <bachmanw@globomax.com> Subject: RE: Large components in gradient vector Date: Wed, 4 Apr 2001 11:25:37 -0400 Erik, Sounds like the parameters for which the gradient is escalating are poorly determined. The estimation is then "floundering about" in that region of the response surface and generating the large gradient values. You might eliminate these parameters if not essential to the model or try fixing them if you have a reasonable guess for them. William J. Bachman, Ph.D. Senior Scientist GloboMax LLC 7250 Parkway Drive, Suite 430 Hanover, MD 21076 Telephone: (410) 782-2212 FAX: (410) 712-0737
Apr 04, 2001 Erik Olofsen Large components in gradient vector
Apr 04, 2001 William Bachman RE: Large components in gradient vector