Random triples
| Subject | Object |
|---|---|
| gptkb:Helix | x = a cos t, y = a sin t, z = bt |
| gptkb:Lemniscate_of_Gerono | x = cos t |
| gptkb:Viviani's_curve | x = r(1 + cos t)/2, y = r sin t/2, z = r sin t sqrt(1 + cos t)/2 |
| gptkb:Lemniscate_of_Gerono | y = sin t cos t |
| gptkb:linear_Bézier_curve | B(t) = (1-t)P0 + tP1, 0 ≤ t ≤ 1 |
| gptkb:quadratic_Bézier_curve | B(t) = (1-t)^2*P0 + 2(1-t)t*P1 + t^2*P2, t in [0,1] |
| gptkb:helicoid | (u cos v, u sin v, a v) |