this post was submitted on 16 Sep 2024
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[–] [email protected] 0 points 1 month ago

The natural representation would be the transient solution u(t) or i(t). Harmonic solutions are merely a special case, for which it turned out complex numbers were useful (because of the way they can represent rotation). They certainly serve a purpose there, but imo this is not an instance of 'complex numbers appearing in nature'.