### Author Topic: HA 10, problem 3c  (Read 1717 times)

#### Shaghayegh A

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##### HA 10, problem 3c
« on: November 22, 2016, 01:15:06 PM »
Does 3c want us to go through steps a and b in spherical coordinates, or just write u as a function of r, theta, and phi?

#### Shentao YANG

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##### Re: HA 10, problem 3c
« Reply #1 on: November 23, 2016, 08:22:53 PM »
I think you can just plug in $x=\rho \sin(\phi)\cos(\theta)$, etc and the resulting $u$ will automatically satisfy the laplacian in spherical coordinate.