Re: [Ifeffit] More for dealing the LCF

2011-09-09 Thread Bruce Ravel
> 1. Constraining the sum of components fractions to one – > - when to apply? *If* your set of standards is complete and fully describes the sample and *if* all of your data are normalized accurately and *if* none of your data is effected by measurement uncertainty of any sort, then the sum of co

[Ifeffit] More for dealing the LCF

2011-09-08 Thread Hana
I would be happy to get advices for LCF of EXAFS spectra, at the following context: 1. Constraining the sum of components fractions to one – - when to apply? - Which factors should be considered at this context while working with soil samples? - How would you suggest dealing the penalty whe