From rafapa-: at :-obelix.cica.es Tue Dec 20 04:22:59 1994 Received: from obelix.cica.es for rafapa |-at-| obelix.cica.es by www.ccl.net (8.6.9/930601.1506) id DAA05183; Tue, 20 Dec 1994 03:53:23 -0500 From: Received: by obelix.cica.es (5.64/X1.00) id AA19192; Tue, 20 Dec 94 09:53:46 +0100 Message-Id: <9412200853.AA19192 -8 at 8- obelix.cica.es> Subject: REQ: bounded & weighted least squares To: chemistry-: at :-ccl.net Date: Tue, 20 Dec 94 9:53:46 MET X-Mailer: ELM [version 2.3 PL11] Hi all!, I need to solve a linear least squares problem in which the different points have specific weights. Also the adjustable coefficients need to be nonnegative. Could somebody indicate a routine to solve this? I also need to deal with at least 25 adjustable parameters and the same number of independent variables. A non linear solver it's ok. Thanks in advance Merry Christmas!! -- Dr. Rafael R. Pappalardo Dept. of Physical Chemistry, Univ. of Seville (SPAIN) e-mail: rafapa%!at!%obelix.cica.es