How to write a Matlab code for n-coupled transmission line using FDTD

[s.rebelli]

Hello,

I wrote a code for 2 couple transmission line using FDTD in Matlab, which is working. But when I tried to write the code for 3 or more coupled lines its not working.
Please help me . Thanks in advance

 

[PlanarMetamaterials]

Based on the information you've provided, I've determined that your problem is that your FDTD code does not work for systems with more than two conductors.

 

[s.rebelli]

Thank you sir,

Can you please give me any suggestions to write the code for more lines?

 

[rrumpf]

I suspect maybe that third conductor is too close to a boundary or perhaps even embedded in a PML. Check your grid for proper spacing of everything.