Results 1 to 10 of about 650,043 (363)

An explicit formula for the matrix logarithm

open access: yesAfrican Vision and Eye Health, 2005
No Abstract ...
João R Cardoso
doaj   +4 more sources

Logarithmic ADC with Accumulation of Charge and Impulse Feedback – Construction, Principle of Operation and Dynamic Properties [PDF]

open access: yesInternational Journal of Electronics and Telecommunications, 2021
This article is a presentation of the analysis of new class of logarithmic analog-to-digital converter (LADC) with accumulation of charge and impulse feedback. LADC construction, principle of operation and dynamic properties were presented. They can also
Zynoviy Mychuda   +3 more
doaj   +1 more source

Logarithmic ADC with Accumulation of Charge and Impulse Feedback – Analysis and Modeling [PDF]

open access: yesInternational Journal of Electronics and Telecommunications, 2021
This article is a presentation of the analysis of new class of logarithmic analog-to-digital converter (LADC) with accumulation of charge and impulse feedback.
Zynoviy Mychuda   +3 more
doaj   +1 more source

Comparing the difficulty of factorization and discrete logarithm: a 240-digit experiment [PDF]

open access: yesIACR Cryptology ePrint Archive, 2020
We report on two new records: the factorization of RSA-240, a 795-bit number, and a discrete logarithm computation over a 795-bit prime field. Previous records were the factorization of RSA-768 in 2009 and a 768-bit discrete logarithm computation in 2016.
Fabrice Boudot   +5 more
semanticscholar   +1 more source

Conditionally oscillatory linear differential equations with coefficients containing powers of natural logarithm

open access: yesAIMS Mathematics, 2022
In this paper, we study linear differential equations whose coefficients consist of products of powers of natural logarithm and very general continuous functions.
Petr Hasil, Michal Veselý
doaj   +1 more source

The Difficulties of Pre-Service Mathematics Teacher Students in Determining the BASE and Numerus of Logarithmic Materials

open access: yesEdumatica: Jurnal Pendidikan Matematika, 2022
Logarithm has an important role in learning mathematics since various fields such as science, computer, finance, industry, and others are applied this material as one of the study subjects.
Surya Kurniawan, Suhendra Suhendra
doaj   +1 more source

Modeling Bland–Altman Limits of Agreement with Fractional Polynomials—An Example with the Agatston Score for Coronary Calcification

open access: yesAxioms, 2023
Bland–Altman limits of agreement are very popular in method comparison studies on quantitative outcomes. However, a straightforward application of Bland–Altman analysis requires roughly normally distributed differences, a constant bias, and variance ...
Oke Gerke, Sören Möller
doaj   +1 more source

Next-to-Next-to-Next-to-Leading Order Pressure of Cold Quark Matter: Leading Logarithm. [PDF]

open access: yesPhysical Review Letters, 2018
At high baryon chemical potential μ_{B}, the equation of state of QCD allows a weak-coupling expansion in the QCD coupling α_{s}. The result is currently known up to and including the full next-to-next-to-leading order α_{s}^{2}.
Tyler Gorda   +4 more
semanticscholar   +1 more source

Freidlin–Wentzell LDP in path space for McKean–Vlasov equations and the functional iterated logarithm law [PDF]

open access: yesThe Annals of Applied Probability, 2017
We show two Freidlin-Wentzell type Large Deviations Principles (LDP) in path space topologies (uniform and Holder) for the solution process of McKean-Vlasov Stochastic Differential Equations (MV-SDEs) using techniques which directly address the presence ...
G. Reis, William Salkeld, Julian Tugaut
semanticscholar   +1 more source

Semidefinite Approximations of the Matrix Logarithm [PDF]

open access: yesFoundations of Computational Mathematics, 2017
The matrix logarithm, when applied to Hermitian positive definite matrices, is concave with respect to the positive semidefinite order. This operator concavity property leads to numerous concavity and convexity results for other matrix functions, many of
Hamza Fawzi, J. Saunderson, P. Parrilo
semanticscholar   +1 more source

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