List questions from ordinary-differential-equations

Published on 15 May 2026 - 13:47

280

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If $f$ is a polynomial, how does $f(\frac{d}{dt})$ act on $y$?

Published on 17 Apr 2026 - 6:49

55

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ODE $\dot u=\sqrt{|u|}$ does not define a flow on $\mathbb{R}$

Published on 11 Apr 2026 - 5:49

291

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Sketch the phase portrait of a two-dimensional vector field

Published on 14 Apr 2026 - 19:24

478

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General solution to $ty' = Ay + b(t)$

Published on 14 Apr 2026 - 8:58

172

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second order differential equation $xy^n + 2\frac{dy}{dx} = 12x^2$

Published on 15 Apr 2026 - 21:31

333

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Question about fundamental matrix in differential equations.

Published on 13 Apr 2026 - 10:44

40

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Sketching a coupled system without solving it

Published on 11 Apr 2026 - 18:04

420

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Fundamental Matrix of OED 3x3 Constant matrix

Published on 15 May 2026 - 13:47

2.3k

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Consider the function g(x)=cos(f(x)) and its derivative. How are g′(x) and f′(x) related to each other?

Published on 06 May 2026 - 5:08

343

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Floquet theorem in mathematics and physics

Published on 15 May 2026 - 13:47

237

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transform nonlinear ode to linear ode

Published on 12 Apr 2026 - 7:38

59

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Application of Lyapounov's Theorem

Published on 10 May 2026 - 13:48

104

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Find the first three terms in the local behavior as $x \to 0+$ of a particular solution of $x^3y''+y=x^{-4}$

Published on 13 Apr 2026 - 7:12

205

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Existence and Uniqueness of Solution of Volterra Integral Equations

Published on 14 Apr 2026 - 0:19

List Question

General solution of ODE of a constant $3\times 3$ matrix

If $f$ is a polynomial, how does $f(\frac{d}{dt})$ act on $y$?

ODE $\dot u=\sqrt{|u|}$ does not define a flow on $\mathbb{R}$

Sketch the phase portrait of a two-dimensional vector field

General solution to $ty' = Ay + b(t)$

second order differential equation $xy^n + 2\frac{dy}{dx} = 12x^2$

Question about fundamental matrix in differential equations.

Sketching a coupled system without solving it

Fundamental Matrix of OED 3x3 Constant matrix

Consider the function g(x)=cos(f(x)) and its derivative. How are g′(x) and f′(x) related to each other?

Floquet theorem in mathematics and physics

transform nonlinear ode to linear ode

Application of Lyapounov's Theorem

Find the first three terms in the local behavior as $x \to 0+$ of a particular solution of $x^3y''+y=x^{-4}$

Existence and Uniqueness of Solution of Volterra Integral Equations

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