MOE Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China School of Science and Engineering, The ...
The Q-matrix serves as a bridge that links items and attributes, and its accuracy affects the results of cognitive diagnosis. Inaccuracy of the Q-matrix are a common issue frequently encountered in ...
Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process, Ministry of Education, China University of Mining and Technology, Xuzhou 221008, China School of Resources and Geosciences, ...
Despite confirming that the matrix rank is appropriate, I'm struggling with the equation's principal axis, which contains many zero values. This characteristic might be contributing to the convergence ...
The electromagnetic (EM) signal of a binary neutron star (BNS) merger depends sensitively on the total binary mass, M tot, relative to various threshold masses set by the neutron star (NS) equation of ...
Abstract: In this paper, we develop a new formula for the characteristic equation of a matrix A explicitly and directly in terms of the elements of A. This contrasts with existing methods such as ...
ABSTRACT: This technical brief proposes a new approach to multi-dimensional linear time invariant discrete systems within the unity shifted unit circle which is denoted in the form of characteristic ...
Department of Automobiles and Automobile Sector, National Mining University, Dnepropetrovsk, Ukraine. Foreign Languages Department National, Mining University, Dnepropetrovsk, Ukraine. Technical ...