Results 71 to 80 of about 43,273 (183)

Winter wheat phenological development model with a vernalization function using sigmoidal and exponential functions

open access: diamond, 2020
Satoshi Kawakita   +4 more
openalex   +2 more sources

Subclasses of Univalent Functions Involving Modified Sigmoid Function

open access: yesInternational Journal of Difference Equations, 2021
E. O. Titiloye   +2 more
openaire   +1 more source

Analysis of the Epidemic Curve of the Waves of COVID-19 Using Integration of Functions and Neural Networks in Peru

open access: yesInformatics
The coronavirus (COVID-19) pandemic continues to claim victims. According to the World Health Organization, in the 28 days leading up to 25 February 2024 alone, the number of deaths from COVID-19 was 7141.
Oliver Amadeo Vilca Huayta   +3 more
doaj   +1 more source

A Smoothening Method for the Piecewise Linear Interpolation

open access: yesJournal of Applied Mathematics, 2015
We propose a method to smoothen a piecewise linear interpolation at a small number of nodes on a bounded interval. The method employs a sigmoidal type weight function having a property that clusters most points on the left side of the interval toward
Beong In Yun
doaj   +1 more source

Modeling Seed Longevity and Percentile Prediction: A Sigmoidal Function Approach in Soybean, Maize, and Tomato

open access: yesAgriEngineering
This study aims to evaluate the behavior of seed longevity in soybean, maize, and tomato stored under controlled conditions using Logistic and Boltzmann sigmoidal models.
Felipe Souza Carvalho   +3 more
doaj   +1 more source

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