Typo in spherical harmonics formula

[wumo]

The formula for SH

$$ \begin{align*} y^{m < 0}_l &= \sqrt{2} K^m_l sin(m \phi) P^{|m|}_l(cos \theta) \end{align*} $$

should be

$$ \begin{align*} y^{m < 0}_l &= \sqrt{2} K^m_l sin(|m| \phi) P^{|m|}_l(cos \theta) \end{align*} $$

[romainguy]

@pixelflinger

[pixelflinger]

Yes, thank you for catching this typo.