List questions from partial-differential-equations

Published on 25 Mar 2026 - 3:01

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How to use Fourier cosine series to find coefficients of cos((2n+1) π x/L) series?

Published on 25 Mar 2026 - 3:04

187

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Nondimensionalising and solving the heat equation with forcing term

Published on 25 Mar 2026 - 3:07

54

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Solving for the kernels in a Sturm-Liouville transformation

Published on 25 Mar 2026 - 12:15

132

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Proof of same two-parameter family curves in $\mathbb R^3$.

Published on 28 Mar 2026 - 3:56

511

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What does it mean to have a fully nonlinear elliptic PDE?

Published on 03 Apr 2026 - 13:29

85

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Solving $x^2u_x + y^2u_v + z(x+y)u_z = 0$

Published on 25 Mar 2026 - 16:01

79

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Is my derived PDE linear?

Published on 01 Apr 2026 - 12:44

36

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Paste extrusion in conical nozzle, partial differentiation equation

Published on 25 Mar 2026 - 4:37

247

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Applying Gronwall inequality for $\frac{d}{dt}\|u(t)\|_{L^{q}}^q \leq f(t) + C\|u(t)\|_{L^{q}}^{q-2}$

Published on 03 Apr 2026 - 11:08

357

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Classical Poincare inequality

Published on 08 May 2018 - 10:12

60

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Inverse Problem for the heat equation

Published on 08 May 2018 - 11:32

936

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Applying String Plucking Condition to the Wave Equation

Published on 25 Mar 2026 - 9:20

116

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Solving : $\frac{\mathrm{d}x}{y-z} = \frac{\mathrm{d}y}{z-x} = \frac{\mathrm{d}z}{x-y}$ over $\mathbf{V} = (y-z,z-x,x-y)$

Published on 08 May 2018 - 19:12

422

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Envelope of the family of solutions.

Published on 26 Mar 2026 - 22:11

List Question

Use separation of variables to solve heat equation

How to use Fourier cosine series to find coefficients of cos((2n+1) π x/L) series?

Nondimensionalising and solving the heat equation with forcing term

Solving for the kernels in a Sturm-Liouville transformation

Proof of same two-parameter family curves in $\mathbb R^3$.

What does it mean to have a fully nonlinear elliptic PDE?

Solving $x^2u_x + y^2u_v + z(x+y)u_z = 0$

Is my derived PDE linear?

Paste extrusion in conical nozzle, partial differentiation equation

Applying Gronwall inequality for $\frac{d}{dt}\|u(t)\|_{L^{q}}^q \leq f(t) + C\|u(t)\|_{L^{q}}^{q-2}$

Classical Poincare inequality

Inverse Problem for the heat equation

Applying String Plucking Condition to the Wave Equation

Solving : $\frac{\mathrm{d}x}{y-z} = \frac{\mathrm{d}y}{z-x} = \frac{\mathrm{d}z}{x-y}$ over $\mathbf{V} = (y-z,z-x,x-y)$

Envelope of the family of solutions.

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