I think that in fact when C_0 is set to 1.0, it becomes the same as your original function, does it not @daniele?
Edit: S_0 and S_1 also need to be set to 1.0, and l set to 0.05 to match the original Desmos plot you posted
I think that in fact when C_0 is set to 1.0, it becomes the same as your original function, does it not @daniele?
Edit: S_0 and S_1 also need to be set to 1.0, and l set to 0.05 to match the original Desmos plot you posted