Neutron Scattering Data Analysis 1990, Proceedings of the Conference on Neutron Scattering, 14-16 March 1990, Rutherford Appleton Laboratory, UKM. W. Johnson |
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Page 12
... entropy prior , such as has been used to date in maximum entropy analysis . We expect this incorporation of local correlation to yield significant improvements in all forms of maximum entropy reconstruction . References [ 1 ] Skilling ...
... entropy prior , such as has been used to date in maximum entropy analysis . We expect this incorporation of local correlation to yield significant improvements in all forms of maximum entropy reconstruction . References [ 1 ] Skilling ...
Page 98
... Entropy Figure 3 Evolution of the entropy and chi - squared goodness of fit for the construction of the maximum entropy Patterson map . Both quanitities are plotted on a logarithmic scale . ( The negative value of the Patterson entropy ...
... Entropy Figure 3 Evolution of the entropy and chi - squared goodness of fit for the construction of the maximum entropy Patterson map . Both quanitities are plotted on a logarithmic scale . ( The negative value of the Patterson entropy ...
Page 99
... maximum entropy Patterson map ( equation 4 ) . A comparison of the following R - factors shows that there is a clear superiority in the IF ( h ) | 2 derived from the maximum en- tropy algorithm over the a priori equipartioned values ...
... maximum entropy Patterson map ( equation 4 ) . A comparison of the following R - factors shows that there is a clear superiority in the IF ( h ) | 2 derived from the maximum en- tropy algorithm over the a priori equipartioned values ...
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additional algorithm allows analysis angle applications approach atoms average beam Bragg calculated cell combinatorial optimization configuration constant coordinates correction corresponding cost counts cross-section crystal deconvolution defined density dependent described detector determined diffraction direct display distribution effects elastic scattering energy error estimate example experiment experimental Figure final Fourier function give given inelastic intensity ISIS known limit magnetic Maximum Entropy measured method neutron neutron scattering normalization obtained optimization parameters particular peak performed Phys physical plot positive possible powder presented prior probability problem procedure radial distribution functions range reconstruction References refinement reflections resolution sample scale scan shown shows simulated annealing single solution space spectrum standard statistical structure factor temperature transfer transform unit usually vanadium vector wavelength