Results 11 to 20 of about 1,415,721 (316)

On Reusing the Stages of a Rejected Runge-Kutta Step

open access: yesMathematics, 2023
Runge-Kutta (RK) pairs are amongst the most popular methods for numerically solving Initial Value Problems. While using an RK pair, we may experience rejection of some steps through the interval of integration.
Vladislav N. Kovalnogov   +4 more
doaj   +1 more source

Sixth Order Numerov-Type Methods with Coefficients Trained to Perform Best on Problems with Oscillating Solutions

open access: yesMathematics, 2021
Numerov-type methods using four stages per step and sharing sixth algebraic order are considered. The coefficients of such methods are depended on two free parameters.
Vladislav N. Kovalnogov   +4 more
doaj   +1 more source

Runge–Kutta Pairs of Orders 5(4) Trained to Best Address Keplerian Type Orbits

open access: yesMathematics, 2021
The derivation of Runge–Kutta pairs of orders five and four that effectively uses six stages per step is considered. The coefficients provided by such a method are 27 and have to satisfy a system of 25 nonlinear equations.
Vladislav N. Kovalnogov   +4 more
doaj   +1 more source

Portfolio Insurance through Error-Correction Neural Networks

open access: yesMathematics, 2022
Minimum-cost portfolio insurance (MCPI) is a well-known investment strategy that tries to limit the losses a portfolio may incur as stocks decrease in price without requiring the portfolio manager to sell those stocks.
Vladislav N. Kovalnogov   +6 more
doaj   +1 more source

Querying Inter-disciplinary Approaches [PDF]

open access: yesCulture, Medicine, and Psychiatry, 2013
The medical and health humanities are, if nothing else, interdisciplinary. Interdisciplinary work is an academic colossal squid: a creature much spoken of, but rarely seen. There are multiple reasons for this. First, the political economy of higher education in the US at least is not set up to encourage interdisciplinary studies.
openaire   +2 more sources

MIC-O-MAP: a technology-enhanced learning environment for developing micro-macro thinking skills

open access: yesResearch and Practice in Technology Enhanced Learning, 2017
MIC-O-MAP (MICroscopic-Observations-Macroscopic-Predictions) is a technology-enhanced learning (TEL) environment designed for developing micro-macro thinking skills among science and engineering undergraduate students. Micro-macro thinking involves being
Anura B. Kenkre, Sahana Murthy
doaj   +1 more source

Zeroing Neural Network for Pseudoinversion of an Arbitrary Time-Varying Matrix Based on Singular Value Decomposition

open access: yesMathematics, 2022
Many researchers have investigated the time-varying (TV) matrix pseudoinverse problem in recent years, for its importance in addressing TV problems in science and engineering.
Mariya Kornilova   +6 more
doaj   +1 more source

The Influence of Laminarizers on the Turbulent Boundary Layer and Prediction of Effective Flow Conditions around Surfaces [PDF]

open access: yesProblems of the Regional Energetics
The development of effective methods for boundary layer laminarization is a fundamental task for the efficient and reliable operation of power equipment.
Chukalin A.V.   +3 more
doaj   +1 more source

Inter-American Development Bank Sustainability Report 2016 [PDF]

open access: yes, 2017
This report highlights the Inter-American Development Bank\u27s sustainability performance in 2016, both in the operations it finances and at its own facilities.
Inter-American Development Bank
core   +1 more source

Metadata Management in an Inter Disciplinary

open access: yes, 2022
Data Assimilation’. In this framework, a data repository, the so-called TR32DB project database, was established in 2008 with the aim to manage the resulting data of the involved scientists [1]. The data documentation with accurate, extensive metadata has been a key task. Consequently, a standardized, interoperable, multi-level metadata schema has been
Uzair Shaikh, Akanksha Kulkarni
openaire   +2 more sources

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