Timeline for Could some give an explanation or hint about this kind of equation? $\left(- \sqrt{X^{2} + Y^{2}} + 1\right) \cos{\left (2 \pi X + \phi \right )}$
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 15, 2019 at 2:26 | vote | accept | JJJohn | ||
| Oct 14, 2019 at 18:30 | history | answered | user1118321 | CC BY-SA 4.0 |