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The application of an approximate non-linear filter to systems governed by coupled ordinary and partial differential equations

International Journal of Systems Science, 1975
Abstract An approximate non-linear filter is applied to systems described by coupled ordinary and partial differential equations with both volume and boundary disturbances and measurement errors. Measurements are assumed to be carried out at u discrete number of spatial positions in the distributed portion of the system.
Ajinkya, M. B.   +3 more
openaire   +2 more sources

Applications of linear ordinary differential equations and dynamic system to economics - an example of Taiwan stock index TAIEX

International Journal of Dynamical Systems and Differential Equations, 2017
Mean reversion of stock price is an observed phenomenon in finance. It is similar to the concept of Newton`s law of cooling. Three models of ordinary differential equation are derived from the concept and solved by dynamic integration. The models are applied to the daily closing price of Taiwan Stock Exchange Capitalisation Weighted Stock Index ...
Nien Ping Chen   +4 more
openaire   +2 more sources

Ordinary Differential Equations and Linear Systems of Ordinary Differential Equations

2022
Mohammad Ashraf   +2 more
openaire   +1 more source

Quantization and a Green’s Function for Systems of Linear Ordinary Differential Equations

1976
One of the traditional puzzles for students of quantum mechanics is the reconciliation of the quantification principle that wave functions must be square integrable with the reality that continuum wave functions do not respect this requirement. By protesting that neither are they quantized the problem can be sidestepped, although some ingenuity may ...
openaire   +1 more source

Existence and structure of complete formal solutions of non-linear meromorphic systems of ordinary differential equations

Asymptotic Analysis, 1997
For general non-linear n-dimensional homogeneous systems of meromorphic ODE, we show existence of a complete formal solution, formally depending upon n free parameters. We investigate the structure of such formal solutions and, in particular, obtain a factorization, analogous to results of J.-P. Ramis and (independently) the author for linear systems.
openaire   +2 more sources

Anomalous Hall antiferromagnets

Nature Reviews Materials, 2022
Libor Šmejkal   +2 more
exaly  

Colloidal Self-Assembly Approaches to Smart Nanostructured Materials

Chemical Reviews, 2022
Zhiwei Li Li, Yadong Yin
exaly  

New Creatinine- and Cystatin C–Based Equations to Estimate GFR without Race

New England Journal of Medicine, 2021
Lesley A Inker   +2 more
exaly  

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