Stiff Delay Differential Equations

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parag gupta 2019-4-24

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/458386-stiff-delay-differential-equations

评论： Torsten 2019-4-25

Can we use dde23 solver to find solution of Stiff Delay Differential Equations?

I read somewhere that dde23 is for soving nonstiff equations but this is not written in MATLAB's help page.Now I am confused whether we can use dde23 solever for solving nonstiff equations.

thanks

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parag gupta 2019-4-25

In the following link its not mentioned that dde23 is designed for nonstiff systems.

https://uk.mathworks.com/help/matlab/ref/dde23.html

Torsten 2019-4-25

Algorithms

dde23 tracks discontinuities and integrates with the explicit Runge-Kutta (2,3) pair and interpolant of ode23. It uses iteration to take steps longer than the lags.

Ok, the information is hidden in the word "explicit".

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