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Science Journal of Applied Mathematics and Statistics

Archive

2024, Volume 12
1. Issue 2, Apr.
2. Issue 1, Feb.
2023, Volume 11
2022, Volume 10
2021, Volume 9
2020, Volume 8
2019, Volume 7
2018, Volume 6
2017, Volume 5
2016, Volume 4
2015, Volume 3
2014, Volume 2
2013, Volume 1

Volume 7, Issue 4, August 2019

A New Analytical Approach for Solving Van der Pol Oscillator

Md. Abul Kashem Mondal, Md. Helal Uddin Molla, Md. Shamsul Alam

Issue: Volume 7, Issue 4, August 2019

Pages: 51-55

Received: 20 July 2019

Accepted: 16 September 2019

Published: 9 October 2019

DOI: 10.11648/j.sjams.20190704.11

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Abstract: The Van der Pol oscillator is a nonlinear damping and non-conservative oscillator. Energy is generated at low amplitude and dissipated at high amplitude. This nonlinear oscillator was first introduced by Dutch electrical engineer and physicist B. Van der Pol and it was originally used to investigate vacuum tubes. Nowadays, it is used in both physic... Show More

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The Exchangeable Markov Multi-states Growth Process Incorporate with an Artificial Neural Network of Preterm Infants in an Incubator

Jean Pierre Namahoro, Xiao Haijun

Issue: Volume 7, Issue 4, August 2019

Pages: 56-62

Received: 6 August 2019

Accepted: 26 August 2019

Published: 9 October 2019

DOI: 10.11648/j.sjams.20190704.12

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Abstract: The standard incubator used to monitor the development of preterm infants, with much attention for random optimization can interrupt the three main parameters (oxygen, environmental temperature, and humidity) responsible for preterm growth. The artificial neural network (ANN) has been recently proposed as a novel technique to control those paramete... Show More

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