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Nexxim Simulator >
Nexxim Transient Analysis >
   Transient Analysis Technical Notes >
       Numerical Integration Methods >
           Trapezoidal Rule               


Trapezoidal Rule

The trapezoidal rule is the Nexxim circuit simulator’s default method for transient analysis.

The trapezoidal rule is an accurate integration method that does not produce numerical damping. It can produce “trapezoidal ringing,” an oscillation in calculated values that is not the true circuit behavior. If ringing is observed, switch to BDF2 or NDF2. See Second Example: BJT Inverter Schematic in the Getting Started with the Nexxim Simulator help topic for an example of trapezoidal ringing and the use of the NDF2 integration method.




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