# I Position vector in spherical coordinates

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1. Oct 11, 2016

### xoxomae

Is the position vector r=xi+yj+zk just r=rerin spherical coordinates?

2. Oct 11, 2016

### andrewkirk

Yes. Note however that, unlike in the Cartesian representation, we can't use that to tell us where the point is, because we first need to know where the point is to know what vector $\mathbf e_r$ is.

3. Oct 12, 2016

4. Dec 7, 2016

### DoobleD

Amazing link.

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