With a little piece of the above image and a triple loops of Processing :)

I believe that you can change anything you want aespecially t between 1 - 50, the coef of k 1 - 5 etc...

Tell me if that work for you in direct on the fly ! Press the black triangle inside the yellow disc!
Then change the code...

A cool thing that this Web Editor!

https://editor.p5js.org/Pilou/sketches/PE_HwNoXH