3 papers
math.OC2021
Exceeding Information Targets in Fixed-Form Test Assembly
Ivan Gospodinov, Emira Karaibrahimova, Stefan M. Filipov
This work studies the assembly of ability estimation test forms (called tests, for short) drawn from an item bank. The goal of fixed-from test assembly is to generate a large numbe…
math.NA2020
The linearization methods as a basis to derive the relaxation and the shooting methods
István Faragó, Stefan M. Filipov
This chapter investigates numerical solution of nonlinear two-point boundary value problems. It establishes a connection between three important, seemingly unrelated, classes of it…
astro-ph.IM2018
NUCLEON-2 Mission for the investigation of heavy cosmic rays nuclei
V. Bulatov, S. Filipov, D. Karmanov +10
The NUCLEON-2 experiment is aimed at the investigation of isotope and charge composition of ions from carbon up to trans-uranium elements in the energy range over about a hundred M…