Neutron Scattering Data Analysis 1990, Proceedings of the Conference on Neutron Scattering, 14-16 March 1990, Rutherford Appleton Laboratory, UKM. W. Johnson |
From inside the book
Results 1-3 of 40
Page 32
... solution The quality of the final solution which assesses the ability of the procedure to reach a near- globally optimum can be quantified by the difference in cost value between this solution and the true globally minimal configuration ...
... solution The quality of the final solution which assesses the ability of the procedure to reach a near- globally optimum can be quantified by the difference in cost value between this solution and the true globally minimal configuration ...
Page 59
... solution for p ; and therefore N ; in the case of a linear transform is N ; = Bjezp [ -1Σ - 2 ( D ; — Mi , k ) Ti‚j ] σε where Ti ,; is the transform matrix from N ; to M ;: ( 5 ) M1 = Σ Ti , j Nj ( 6 ) Although equation ( 5 ) is highly ...
... solution for p ; and therefore N ; in the case of a linear transform is N ; = Bjezp [ -1Σ - 2 ( D ; — Mi , k ) Ti‚j ] σε where Ti ,; is the transform matrix from N ; to M ;: ( 5 ) M1 = Σ Ti , j Nj ( 6 ) Although equation ( 5 ) is highly ...
Page 226
... solutions ; ( iii ) if one has a good starting model then the analysis begins much closer to the desired solution , thereby reducing the risk getting stuck in a local solution . - The big disadvantage of the standard approach is the ...
... solutions ; ( iii ) if one has a good starting model then the analysis begins much closer to the desired solution , thereby reducing the risk getting stuck in a local solution . - The big disadvantage of the standard approach is the ...
Other editions - View all
Common terms and phrases
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