the .dc V2 5 0 -1 does calculate from 5V and go down to 0. If you simulte a circuit with hysteresis ...
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the .dc V2 5 0 -1 does calculate from 5V and go down to 0. If you simulte a circuit with hysteresis you see different waveforms going from 0 to 5 or from 5 to 0. See an example below. The ZZ signal has 2 different waveforms.