List questions from nonlinear-dynamics

Published on 27 Nov 2021 - 22:21

94

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3rd orderCanonical form of nonlinear dynamical system

Published on 25 Mar 2026 - 23:20

150

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It is possible for a scalar finite-duration continuous system to achieve an infinite speed (in finite-time)? How if true? Why not if false?

Published on 23 Feb 2026 - 4:47

21

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Turning $(l - \frac{m}{d} \cos(\triangle\beta + α)) \frac{m}{k} \sin(\triangle\beta + α)=\triangle\beta$ into a differential equation

Published on 29 Nov 2021 - 22:46

208

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2D bifurcation problem

Published on 27 Mar 2026 - 7:47

180

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Time Scale Calculus/Dynamic Equations on Time Scales

Published on 25 Mar 2026 - 13:59

203

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How does this expression follow algebraically from the last one?

Published on 06 Dec 2021 - 15:04

253

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Given $(a_n)$ such that $a_1 \in (0,1)$ and $a_{n+1}=a_n+(\frac{a_n}{n})^2$. Prove that $(a_n)$ has a finite limit.

Published on 10 Dec 2021 - 9:47

219

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What are the solutions for $y(t)\cdot\left(y'(t) + a\right)=-b\sin(t)$?

Published on 23 Feb 2026 - 6:23

122

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Do some nonlinear PDE steady state solutions depend on initial conditions (non unique)?

Published on 25 Mar 2026 - 13:54

72

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Calculate time from one state to another using 6DOF state space modeling of a quadcopter

Published on 20 Jan 2022 - 17:39

40

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Lyapunov Exponent of Nonlinear Schrödinger Operator

Published on 22 Jan 2022 - 22:04

88

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Is there more than one way to derive an energy function from differential equations?

Published on 23 Feb 2026 - 12:33

106

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Question About Similarity Solution Method

Published on 07 Feb 2022 - 21:41

108

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Can anyone determine whether there is a solution to this partial differential equation (PDE)? Has anyone encountered a PDE like this before?

Published on 09 Feb 2022 - 15:48

List Question

Tilting a mass suspended on 2 springs

3rd orderCanonical form of nonlinear dynamical system

It is possible for a scalar finite-duration continuous system to achieve an infinite speed (in finite-time)? How if true? Why not if false?

Turning $(l - \frac{m}{d} \cos(\triangle\beta + α)) \frac{m}{k} \sin(\triangle\beta + α)=\triangle\beta$ into a differential equation

2D bifurcation problem

Time Scale Calculus/Dynamic Equations on Time Scales

How does this expression follow algebraically from the last one?

Given $(a_n)$ such that $a_1 \in (0,1)$ and $a_{n+1}=a_n+(\frac{a_n}{n})^2$. Prove that $(a_n)$ has a finite limit.

What are the solutions for $y(t)\cdot\left(y'(t) + a\right)=-b\sin(t)$?

Do some nonlinear PDE steady state solutions depend on initial conditions (non unique)?

Calculate time from one state to another using 6DOF state space modeling of a quadcopter

Lyapunov Exponent of Nonlinear Schrödinger Operator

Is there more than one way to derive an energy function from differential equations?

Question About Similarity Solution Method

Can anyone determine whether there is a solution to this partial differential equation (PDE)? Has anyone encountered a PDE like this before?

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