Hello Hanna,
I would say: create an analytic function under global definitions node. Name it, let's say "Usin."
Now when you want to refer to it, write "Usin(t[1/s])" and it should work.
I would say: create an analytic function under global definitions node. Name it, let's say "Usin."
Now when you want to refer to it, write "Usin(t[1/s])" and it should work.
