Last post had a mistake in the logic.
By performing row operations, the solution set does not change. Also, the way the ammeter currents are calculated is dependent on the loops. And the loops are described in system_loops and have not changed.
So essentially, the current through the large resistor will be a sum of loops i1, i3 and i4. And the accuracy of this will depend on the simulation time step. Which is why it is wrong. Currently, the current through the large resistor has a peak of 0.04Amps whereas it should be in microAmps.
So now what? This means any change I make to the resistors has to be reflected back to the system_loops. And finally, when the component currents are calculated they have to know that the system has been approximated. This is going to take some time.
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