Home > Libraries > Criteria > least_rfactor.m

iFit/least_rfactor

PURPOSE ^

c=least_rfactor(Signal, Error, Model)

SYNOPSIS ^

function c=least_rfactor(Signal, Error, Model)

DESCRIPTION ^

 c=least_rfactor(Signal, Error, Model)

 minimal R-factor (weighted least square criteria) normalised to the Signal.
 the return value is a vector, and most optimizers use its sum (except LM).
 (|Signal-Model|/Error).^2/(Signal/Error).^2

 A good fit corresponds with an R-factor lower than .2

 <http://en.wikipedia.org/wiki/R-factor_%28crystallography%29>
 (c) E.Farhi, ILL. License: EUPL.

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:
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