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質問
Neumann boundary condition in a diagonal matrix
I am trying to increase the accuracy of my mode solver by reducing the size of the calculation space, to do that I apply Dirichl...
約1ヶ月 前 | 3 件の回答 | 0
3
回答質問
I can not say wether Eigs is giving expected results or not
Hello, I am building a little mode solver for optical fibers based on this article : "Jesper Riishede et al 2003 J. Opt. A: Pu...
約2ヶ月 前 | 1 件の回答 | 0
1
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sinus wave with chosen number of variating period
Ok not sure that is the best way to do it but it works for me : define phi(z) as alpha*log(z) and dimension alpha the same way ...
sinus wave with chosen number of variating period
Ok not sure that is the best way to do it but it works for me : define phi(z) as alpha*log(z) and dimension alpha the same way ...
3ヶ月 前 | 0
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質問
sinus wave with chosen number of variating period
Hi, I am trying to simulate a refractive index change in a medium, to do that I need to accurately model the evolution of said...
3ヶ月 前 | 1 件の回答 | 0
1
回答質問
Why do I have "inside" oscillations when I take the fft of my data
Hi, I have a data sample that I need to take into the frequency domain, unfortunately I get these oscillations in between the a...
4ヶ月 前 | 0 件の回答 | 0
0
回答質問
Write different super gaussian function with same fwhm but different order
Hi, I consider a gaussian pulse : how do I define in order to have . I did solve : leading to . But when I plot and measur...
9ヶ月 前 | 1 件の回答 | 0
1
回答質問
Use rk4 (ode45) to get a solution on signals both contra and co propagating
Hi, I am trying to solve a system of equation where my solution vector looks like among which is contra propagating with resp...
約1年 前 | 1 件の回答 | 0
1
回答質問
Solving with ode45 with a solution dependant variable in the ode
Hi, Let's say I want to solve : with , with all following the same ode as y(z). I can theoretically solve each ode with RK4...
約1年 前 | 2 件の回答 | 0
2
回答質問
Split step Fourier and shannon sampling theorem issue
Hi, I am building a code to model a laser with multiple step optical pulse amplifiers, however when I increase the gain I tend ...
1年以上 前 | 0 件の回答 | 0
0
回答質問
What happens if I change the parameters of a copy of a subsystem in simscape?
Hi, I am a beginner with Simscape and I am trying to model the heat evolution of the angled tip of a rod. To do that I separate...
2年以上 前 | 1 件の回答 | 0
1
回答質問
Solving Heat equation using pdepe does not give credible results
Hello, I am using pdepe to solve an heat equation, (the end goal being to simulate a fiber splicer and get the power input nece...
3年弱 前 | 1 件の回答 | 0
