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.
—from Artificial Intelligence Second Edition, a book by Patrick Henry Winston
Active since January 13, 2017.
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| Rank | Username | WPM | Accuracy | Date |
|---|---|---|---|---|
| 4451. | Rall (raullll) | 73.53 | 95% | 2019-12-27 |
| 4452. | Jitendra (jitendrayadav) | 73.52 | 96% | 2017-09-25 |
| 4453. | Renzo (raccon) | 73.51 | 97% | 2018-09-24 |
| 4454. | Robert (trebordv) | 73.51 | 98% | 2020-05-04 |
| 4455. | Abbey (abbey240901) | 73.49 | 99% | 2020-07-20 |
| 4456. | Axel (prodiicate) | 73.49 | 97% | 2018-11-14 |
| 4457. | Daniel (onosendi) | 73.48 | 95% | 2019-09-04 |
| 4458. | Sambhalang (samkchandy) | 73.48 | 97% | 2020-12-15 |
| 4459. | Nate (toiletsplash) | 73.47 | 97% | 2018-09-21 |
| 4460. | m (yugoslavia) | 73.47 | 97% | 2020-09-27 |
| 4461. | Jake (s2d_) | 73.46 | 97% | 2018-09-27 |
| 4462. | Nobody (anhddo) | 73.46 | 98% | 2020-10-07 |
| 4463. | Andrew (elitebacon) | 73.45 | 95% | 2018-02-05 |
| 4464. | Jake (jake12_) | 73.45 | 96% | 2020-06-12 |
| 4465. | zapelots (zapelots) | 73.43 | 97% | 2020-08-21 |
| 4466. | Karl (karlpn) | 73.41 | 97% | 2018-08-18 |
| 4467. | Rodrigo (rdcmdev) | 73.37 | 98% | 2018-07-06 |
| 4468. | Naveen (hithisisnavin) | 73.36 | 96% | 2018-10-12 |
| 4469. | Ethan (rubiks3) | 73.36 | 95% | 2020-08-16 |
| 4470. | allitAlmaty (allitalmaty) | 73.35 | 97% | 2018-11-23 |
| 4471. | Thatisdifficult (thatisdiff... | 73.35 | 96% | 2017-07-07 |
| 4472. | Bacosca (bacosca) | 73.34 | 99% | 2019-07-03 |
| 4473. | (roiii) | 73.34 | 95% | 2019-04-21 |
| 4474. | M.Ha (manhha00) | 73.34 | 97% | 2017-06-20 |
| 4475. | Alfie (theaqualord) | 73.34 | 96% | 2017-12-10 |
| 4476. | Ian (sharrrkbait) | 73.33 | 98% | 2018-07-31 |
| 4477. | Jason (jasonvincentius) | 73.33 | 97% | 2017-07-28 |
| 4478. | Mix (mihailoilic) | 73.32 | 96% | 2020-11-02 |
| 4479. | Upaj (jasper0007) | 73.32 | 97% | 2019-10-25 |
| 4480. | cosdaj (cosdaj) | 73.31 | 97% | 2018-05-13 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Default (English) | 12,275 | 81.02 | January 13, 2017 |
| Instant Death Mode | 11 | 104.42 | December 24, 2018 |
| ᗜ Stenography | 5 | 69.26 | July 15, 2020 |
| New English Texts Are Here | 1 | 105.85 | January 5, 2023 |