 Inductor current continuity (source code)

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= Inductor current continuity
{title2=$\Delta I_L=L^{-1}\int V_L\,dt$}

For an ideal linear <inductor>, $V_L=L\dot I_L$. Integrating shows that voltage with no impulse preserves current continuity at switching. This supplies an initial condition independently of <capacitor voltage continuity>; the two state variables must not be replaced by an assumed zero current derivative.

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