## Neutron Scattering Data Analysis 1990: Invited and Contributed Papers from the Conference on Neutron Scattering Data Analysis Held at The Rutherford Appleton Laboratory, Chilton, 14-16 March 1990 |

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Page 5

The natural choice of sign being

matrix. Correspondingly, 7 must have strictly

allows a Gaussian or Lorentzian, but not a square wave. Whichever form for 7 is ...

The natural choice of sign being

**positive**, we require C to be a**positive**-definitematrix. Correspondingly, 7 must have strictly

**positive**Fourier transform, whichallows a Gaussian or Lorentzian, but not a square wave. Whichever form for 7 is ...

Page 108

It should be noted that, due to the occurence of the logarithm in the expression of

the entropy, only

...

It should be noted that, due to the occurence of the logarithm in the expression of

the entropy, only

**positive**distributions can be retrieved. Looking for a non-**positive**distribution by means of the difference of two**positive**distributions, which...

Page 115

Two distinct entropic reconstructions involving either a

negative map shows some negative density close to high symmetry points in ...

Two distinct entropic reconstructions involving either a

**positive**/negative or a**positive**definite magnetisation density are shown in (C,D) and (E,F). The**positive**/negative map shows some negative density close to high symmetry points in ...

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algorithm applications approach atoms Bayesian beam Bragg peaks calculated configuration constraints coordinates corresponding cost function cross-section crystallographic Data Anal data analysis data set defined detector bank determined diffraction data diffractometer distribution function elastic scattering energy error bars example experiment experimental Figure Fourier transform Gaussian GENIE GENIE-V3 histogram inelastic instrument intensity inverse ISIS least squares likelihood function magnetic structure magnetisation density matrix MaxEnt reconstruction Maximum Entropy McGreevy measured method molecular Monte Carlo neutron diffraction neutron scattering normalisation normalization obtained optimisation optimization problems parameters Patterson map performed Phys plot positive powder diffraction presented at Neutron prior procedure quasielastic radial distribution functions refinement reflectivity data resolution function ROTAX Rutherford Appleton Laboratory sample scan scattering law shown simulated annealing single crystal solution spectra spectrometer spectrum statistical structure factor symmetry technique temperature time-of-flight truncation UNIRAS unit cell vanadium vector wavelength workspace