Changes

EM.Terrano

13 bytes added, 21:18, 23 November 2014
/* Ray Reflection & Transmission */
The transmitted unit vectors are found as:
:<math> \mathbf{ \hat{k}'' ^{\prime\prime} = \hat{n} \times a - \sqrt{1-a \cdot a} \; \hat{n} } </math>
:<math> \mathbf{ \hat{u}_{\perp}'' = \hat{u}_{\perp} } </math>
Kazem Sabet
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