Storing eigenvalues from a loop

Hi everyone,

I have made a code that finds a space-state system matrix A and finds its eigenvalues for one specified parameter (call it U) that is predefined and its a part of matrix A.

Now I want to create a loop that will allow me to vary U (lets say from U=220 to U=250) and then calculate eigenvalues for each U. I am having a trouble writing the code that will store these eigenvalues after each iteration.

Any help is appreciated, Thank you :)

Answer 1

[Hiro Yoshino]

Can I have your code?

Answer 2

[j21]

Hi,

I have in the meantime managed to write the loop that will store the eigenvalues. Now what I have to do is extract the real and imaginary part of each of those (so to get damping and frequency) and plot frequency vs U graph and damping vs U graphs.

Code link:

blob:https://octave-online.net/a4b14750-c038-4650-b289-ab131b3a5b2b