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Racer Jamal (jay_777_)
Race Number 570
Date Sat, 19 Jan 2019 23:50:37 +0000
Speed 73 WPM Try to beat?
Accuracy 94.7%
Rank 2nd place (out of 5)
Opponents elnio2803 (1st place) klenguyen (3rd place) pineconepam (4th place)

Text typed:

The observed brightness of a Lambertian surface may be written as the product of an albedo factor, p, and the cosine of the incident angle, cos i. This means that brightness can be written as a product of a term that depends on the material, p, and a term that depends on surface direction, which in turn depends on f and g.
Artificial Intelligence Second Edition (book) by Patrick Henry Winston (see stats)

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