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Mathematics
Eli Bartlett's user avatar
Eli Bartlett's user avatar
Eli Bartlett's user avatar
Eli Bartlett
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I like differential equations

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10
Higher Degree Differential Equation
Jun 3
6
Does the second order non-linear ODE $yy''=f(x)f(x)''$ have a general solution?
Sep 14, 2021
4
Showing integral $\int_0^k \text{sinh}^{-2/3}(x)\mathrm{d}x$, has a hypergeometric solution.
Feb 1, 2021
3
General Solutions to this Differential Equations $ y_{xx} + \frac{N-1}{x}y_x + e^y=0 \qquad x>0$
Jun 29
3
Solving cylindrically symmetric non-homogeneous wave equation $\nabla^2\mathbf{A}(s,t)-\frac{\partial^2}{\partial t^2}\mathbf A(s,t)=\mathbf J(s,t)$
Apr 8, 2021
3
Using Charpit's method to solve a nonlinear PDE
Apr 10, 2023
3
When does the derivative of the logarithm equal the logarithm of the derivative?
Mar 9, 2023
3
Lost solution to PDE?
Jul 29, 2022
3
Are there any non-constant differentiable functions $f : \mathbb R \to \mathbb R$ where each $t \in \mathbb R$ has $f(t)f(f'(t))=1$?
Aug 20, 2022
3
Problems with an exact differential equation
Jul 4, 2022