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8 papers · 1 filter
On the Solution of the Equation by Means of an Iterative Method
Juan Luis Varona
For fixed positive integers , we study the solution of the equation , where denotes the th prime number, by means of the iterative method \[ k_{j+1} = π(n-…
Note on the analytical integration of circumterrestrial orbits
Martin Lara
The acclaimed merits of analytical solutions based on a fictitious time developed in the 1970's were partially overvalued due to a common misuse of classical analytical solutions b…
Uncertainty Propagation Using Hybrid Methods
Juan Félix San-Juan, Montserrat San-Martín, Iván Pérez +3
Small corrections in the argument of the latitude can be used to improve the accuracy of the SGP4 orbit propagator. These corrections have been obtained by applying the hybrid meth…
Automatic Diagnosis of Schizophrenia in EEG Signals Using CNN-LSTM Models
Afshin Shoeibi, Delaram Sadeghi, Parisa Moridian +8
Schizophrenia (SZ) is a mental disorder whereby due to the secretion of specific chemicals in the brain, the function of some brain regions is out of balance, leading to the lack o…
A Discrete Variational Derivation of Accelerated Methods in Optimization
Cédric M. Campos, Alejandro Mahillo, David Martín de Diego
Many of the new developments in machine learning are connected with gradient-based optimization methods. Recently, these methods have been studied using a variational perspective.…
A new radial, natural, higher order intermediary of the main problem four decades after the elimination of the parallax
Martin Lara
Simplifications in dealing with the equation of the center when the short-period effects are removed from a zonal Hamiltonian are commonly attributed to the elimination of parallac…