Simultaneous nonlinear Regression of two data sets

*To*: mathgroup at smc.vnet.net*Subject*: [mg19440] Simultaneous nonlinear Regression of two data sets*From*: Christopher Mack <mack at tvt.tu-darmstadt.de>*Date*: Wed, 25 Aug 1999 01:25:12 -0400*Sender*: owner-wri-mathgroup at wolfram.com

Hello, I want to fit two (if it works, I also want to fit threee and four) mathematical functions to two (in future perhaps three and four) data sets (gaussian profiles); each function has eight parameters to fit, but four of them are the same for all functions. I first thought of using the Mathematica-Function "NonlinearRegress"; but after reading the Online-help I assumed that it only can fit one function to one data set. Is there a functino implemented into Mathematica, which can solve the described problem ? Thanks, Christopher Mack, Department of Chemical Process Engineering, Darmstadt University of Technology

**Follow-Ups**:**Re: Simultaneous nonlinear Regression of two data sets***From:*Daniel Lichtblau <danl@wolfram.com>