Re: Error message when using NonlinearRegress
- To: mathgroup at smc.vnet.net
- Subject: [mg96965] Re: Error message when using NonlinearRegress
- From: Bill Rowe <readnews at sbcglobal.net>
- Date: Sat, 28 Feb 2009 06:43:06 -0500 (EST)
On 2/27/09 at 6:17 AM, cdneish at lpl.arizona.edu (Catherine Neish) wrote: >I have been encountering an error message when using >NonlinearRegress that I have not seen before: >"FindFit::fmmp: Machine precision is insufficient to achieve the >requested accuracy or precision." >My question is, can I still trust the fit it gives me? The best answer any one can give based on the information provided is maybe. >Or, how would I go about finding a fit that doesn't give this error messag= e? Try increasing the working precision and the precision of your input. =46or more definitive and useful answers, you need to provide details of what you are doing preferably with the code you are using.