Results 21 to 30 of about 195,616 (345)

Optimization Problems in Spanish Differential Calculus Books Published in the 18th Century

open access: yesMathematics, 2022
History of mathematics and mathematics education research allows us to know, among other issues: the influence that certain textbooks have had on the teaching of school mathematics, in academic or professional training, during a certain historical period;
José Carlos Casas-Rosal   +3 more
doaj   +1 more source

Estimation of daily mean temperatures: an accurate method for the Douro Valley [PDF]

open access: yesCiência e Técnica Vitivinícola, 2018
Air temperature data from many locations worldwide are only available as series of daily minima and maxima temperatures. Historically, several different approaches have been used to estimate the actual daily mean temperature, as only in the last two or ...
Real António C.   +2 more
doaj   +1 more source

Evolutions of various solar indices around sunspot maximum and sunspot minimum years [PDF]

open access: yesAnnales Geophysicae, 2002
The smoothed monthly sunspot numbers showed that in many solar cycles, (a) during years around sunspot maxima, there was only one prominent maximum, but in some cycles there was a broad plateau. If the beginning and end of these are termed as first
R. P. Kane, R. P. Kane
doaj   +1 more source

To Solve Problems in Economics-Maxima and Minima Approach

open access: yesInternational Journal of Advanced Research in Science, Communication and Technology, 2020
Thomas Simpson is still an icon for maxima and minima. The purpose of this article is just to provide additional information about the concepts of maxima and minima in business economics.
Dr. Aruna Madhukar Kulkarni
semanticscholar   +1 more source

Boosting Adversarial Transferability by Achieving Flat Local Maxima [PDF]

open access: yesNeural Information Processing Systems, 2023
Transfer-based attack adopts the adversarial examples generated on the surrogate model to attack various models, making it applicable in the physical world and attracting increasing interest.
Zhijin Ge   +4 more
semanticscholar   +1 more source

Fuzzy Approximate Entropy of Extrema Based on Multiple Moving Averages as a Novel Approach in Obstructive Sleep Apnea Screening

open access: yesIEEE Journal of Translational Engineering in Health and Medicine, 2022
Objective: Obstructive sleep apnea (OSA) is a respiratory disease associated with autonomic nervous system dysfunction. As a novel method for analyzing OSA depending on heart rate variability, fuzzy approximate entropy of extrema based on multiple moving
Peiyu Weng   +4 more
doaj   +1 more source

Asymptotical investigations of the general distributions of the maxima and minima

open access: yesLietuvos Matematikos Rinkinys, 2000
The convergence rate estimations in the limit theorem of the general distribution functions of the extreme values are presented. There results extend theoretical prepositions of the published work [3].
Algimantas Aksomaitis
doaj   +3 more sources

What is the maximum area of a house? A problem from the perspective of technology-oriented problem solving

open access: yesEducação Matemática Debate, 2020
This paper presents the partial results of a Master's-degree-level research project on the contribution of employing the teaching-learning-assessment methodology through problem solving using GeoGebra, in connection with the different registers of ...
Dienifer Tainara Cardoso Lickefett   +2 more
doaj   +1 more source

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