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How can we check in MATLAB if an electrical circuit is linear or not?

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in MATLAB by (37.3k points)
How can we check in MATLAB if an electrical circuit is linear or not?

(a) Check consistency

(b) Superposition

(c) Superposition via Simulink

(d) Check homogeneity

This question was posed to me during an online exam.

Query is from Linear Systems in chapter Beyond the Basics of MATLAB

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Best answer
Correct option is (c) Superposition via Simulink

The best I can explain: We can model our circuit in Simulink and then apply the superposition theorem to check if at all the circuit is following superposition theorem. To apply the theorem, find the I/V relationship across any branch due to a single source and switch of the rest of the sources. Repeat this process for all the individual sources. Finally, turn on all the sources and check whether the I/V relationship is equal to the superposition of all the I/V sources previously calculated.

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