20 questions linked to/from Implement finite Fourier transforms
1 vote
146 views

### DSolve returns no result

I'd like to solve a partial differential equation on a infinite strip. My code is the following: ...
• 407
234 views

### Symbolic solution for steady-state heat equation i.e. Laplace equation inside cylinder

I want to symbolically solve the following boundary value problem in my textbook. It's steady-state heat conduction equation i.e. Laplace equation inside a cylinder  \left\{\begin{array}{l} \Delta u=...
• 1,572
678 views

### Solving a BC Differential equation, (Buckling) any way possible

I am trying to verify my manual solution for this problem by any way, so I tried NDSolve, and DSolve, with no success. Can some one help, or even give me the final numbers :D I need the first 3 ...
• 93
302 views

### Fourier Series of ODE

I am having trouble finding the Fourier series of a 2nd order ODE. Should I be using the piecewise function as well to set up the range for t? Solve $y'' + \omega^2 𝑦 = r(t)$, where \$ r(t) = |t|, -\...
1 vote