# Quadrature integration of spherical function

1. May 30, 2010

### coderdave

I have a function that is parametrized by a direction and returns a signal strength,

$$F(\theta, \phi) \rightarrow R$$

It's a very smooth function and I have been using Monte Carlo to do the integration. I just pick a random direction, sample, and average later. It's worked but since its smooth I figured I could use a quadrature style integration to see if it converges faster.

I just don't know how to set up my integrand to do that because all texts I've read on it usually talk about quadrature in euclidean coordinates.

Thank you,
-= Dave

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