Hi Markus, youre right. When I put Ste=2 the program runs, even if half experimental points are lost. It seems that with this FP version the step size of the diffraction pattern must be larger.
Thank you, Alberto Scrive Markus Valkeapää <markus.valkea...@tkk.fi>: > Hi! > Just a thought but increasing parameter "Ste" might help. From FullProf > manual: > -- > ISTEP=1,2,3,.. If ISTEP>1 the number of data points is reduced by > (Ste) a factor of ISTEP. Only those points corresponding to the > new step size ISTEP*STEP (see Line #3 below) are taken > into account in the refinement. Useful for speed-up > preliminary refinements. > -- > In EdPcr Refinement/Reduction factor of number ... > > Best Regards, > Markus