adam (adumyumyum)

Race #488

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Official speed 83.95 wpm (46.31 seconds elapsed during race)
Race Start April 7, 2018 7:02:19am UTC
Race Finish April 7, 2018 7:03:05am UTC
Outcome Win (1 of 5)
Opponents 2. pyry_ouri (78.81 wpm)
3. filfirst (72.34 wpm)
5. blocuri55 (49.43 wpm)
Accuracy 96.0%
Points 86.75
Text #3622413 (Length: 324 characters)

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.