Results 331 to 340 of about 14,780,959 (374)

What is a Difference Equation ?

1986
The theory of difference equations, despite its absence from the undergraduate curriculum, is an old and beautiful part of mathematics, one with diverse applications to many subjects: biology, economics, numerical analysis, etc. In a difference equation, change takes place in discrete time intervals.
openaire   +2 more sources

Nanofluidics for osmotic energy conversion

Nature Reviews Materials, 2021
Zhen Zhang, Liping Wen, Lei Jiang
exaly  

A Fractional q $q$-difference Equation with Integral Boundary Conditions and Comparison Theorem

, 2017
Jing Ren, C. Zhai
semanticscholar   +1 more source

Difference-in-Differences with multiple time periods

Journal of Econometrics, 2021
Brantly Callaway
exaly  

The fundamentals and applications of ferroelectric HfO2

Nature Reviews Materials, 2022
Uwe Schroeder, Min Hyuk Park, Thomas Mikolajick   +2 more
exaly  

Characteristics of SARS-CoV-2 and COVID-19

Nature Reviews Microbiology, 2020
Ben Hu, Hua Guo, Peng Zhou
exaly  

Difference Equations and Differential Equations

2012
In this chapter we focus on the Markov model in continuous time. The differential equations are the continuous counter part to the difference equations of the discrete model.
openaire   +2 more sources

On the solutions of a max‐type difference equation system

, 2015
Y. Yazlık, D. T. Tollu, N. Taskara
semanticscholar   +1 more source

High-speed rail and CO2 emissions in urban China: A spatial difference-in-differences approach

Energy Economics, 2021
Shuai Shao
exaly  

Measurement of the bound-electron g-factor difference in coupled ions

Nature, 2022
, Vincent Debierre
exaly