You are using which is a fixed step explicit solver. Based on the model stiffness, you should use ode14x, which is a f

[mamorani]

You are using which is a fixed step explicit solver. Based on the model stiffness, you should use ode14x, which is a fixed step, implicit solver. Note, ode14x might create a more accurate solution. However, the computation cost of each simulation step of ode14x is higher than . The simulation time may increase. Considering increasing the step size if simulation time increases after switching to ode14x.

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