How to Calculate Steady State?

This question may be silly, there are some problems with my model, jpfeifer gave me the following reply:

I would like to ask how to confirm that the model has a steady state, and how to calculate the steady state? (Or what code to use for calculations?)

With problems like these, the answer is usually pencil and paper.

I would like to ask how to calculate it specifically? May I ask if there are any references available for me to read? :cold_sweat:

Have a look at e.g.