I'm confused as to how they defined the vector of unknowns for this problem.
I would have added another unknown in the form of an auxiliary variable describing the current coming from the input voltage source Vi.
From here I could then write KCL statements for all 3 nodes.
If you didn't include it, I don't see how you could write KCL statement for V1, specifically the current flowing across R1. (Assuming you are only using the unknowns V1, V2, Vo)
Am I missing something?
I would have added another unknown in the form of an auxiliary variable describing the current coming from the input voltage source Vi.
From here I could then write KCL statements for all 3 nodes.
If you didn't include it, I don't see how you could write KCL statement for V1, specifically the current flowing across R1. (Assuming you are only using the unknowns V1, V2, Vo)
Am I missing something?
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