UB matrix implementation for inelastic neutron scattering experiments

The UB matrix approach has been extended to handle inelastic neutron scattering experiments with differing k(i) and k(f). We have considered the typical goniometer employed on triple-axis and time-of-flight spectrometers. Expressions are derived to allow for calculation of the UB matrix and for converting from observables to Q-energy space. In addition, we have developed appropriate modes for calculation of angles for a specified Q-energy position.