(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

I want to prove that coefficients of potential are non-negative. i.e. P_{ij}≥ 0

2. Relevant equations

By coefficients of potential method we know that in a system of conductors the potential on i_{th}conductor is related to charges on conductors by:

[itex]\Phi[/itex]_{i}= [itex]\sum[/itex] P_{ij}Q_{j}

3. The attempt at a solution

It is written in Reitz and Milford that it is hard to prove in a rigorous way. I think that we should use P_{ii}≥ P_{ij}.

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# Homework Help: About Coefficients of Potentials

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