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math.NA2025
Frequency-domain alignment of heterogeneous, multidimensional separations data through complex orthogonal Procrustes analysis
Michael Sorochan Armstrong
Multidimensional separations data have the capacity to reveal detailed information about complex biological samples. However, data analysis has been an ongoing challenge in the are…
math.NA2023
A direct solution to the interpolative inverse non-uniform fast Fourier transform problem for spectral analyses of non-equidistant time-series data
Michael Sorochan Armstrong, José Carlos Pérez-Girón, José Camacho +1
A simple least-squares optimisation enables the determination of the spectrum for irregularly sampled data that is readily reconstructed using an adjoint transformation of the Non-…