Solving Laplace's Equation with Separation of Variables

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SUMMARY

This discussion focuses on solving Laplace's Equation using the method of separation of variables. The equation presented is \(\frac{1}{s} \frac{\partial }{\partial s} (s \frac{\partial V}{\partial s}) + \frac{1}{s^2} \cdot \frac{\partial^2 V}{\partial \phi^2} = 0\). The key insight is that multiplying the entire equation by \(s^2\) simplifies the terms, allowing for a clearer separation of variables into functions of \(s\) and \(\phi\). This technique is essential for finding solutions in cylindrical coordinates.

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Homework Statement



[itex]\frac{1}{s} \frac{\partial }{\partial s} (\{s} \frac{\partial V}{\partial s}) + \frac{1}{s^2} \cdot \frac{\partial^2 V}{\partial \phi^2}[/itex]

When you do separation of variables what happens to the [itex]\frac{1}{s}[/itex] and the [itex]\frac{1}{s^2}[/itex] after you divide through by [itex]\Phi[/itex] and S to come up with a solution

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The Attempt at a Solution

 
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Just multiply the entire equation by [itex]s^2[/itex] in order to obtain terms that involve only [itex]s[/itex] or only [itex]\phi[/itex]
 

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