Her name is Scylla
No, since "between 3" doesn't mean anything. Do you mean between -3 and +3?
The difference between arithmetic and geometric mean you can find in the following link: "Calculation of the geometric mean of two numbers".
You can find the differences between arithmetic and geometric mean in the following link: "Calculation of the geometric mean of two numbers".
They differ in formula
Scylla's symbol is often depicted as a sea monster with multiple heads, typically seven in total. This image is commonly associated with her role in Greek mythology as a fearsome creature who posed a threat to sailors navigating the waters near her lair.
To pass between Scylla and Charybdis in modern language means to navigate a difficult situation where you are faced with two equally challenging or dangerous options. It refers to being caught between a rock and a hard place, or dealing with a dilemma with no easy solution.
The saying "between a rock and a hard place" originated from the Greek mythological episode of Scylla and Charybdis. It refers to being stuck between two equally difficult or dangerous situations with no clear way to escape.
scylla and charybdis
who is scylla
scylla and charybdus
in the part where Odyseus is sailing in between them
By sailing through the narrow space in between them. By sailing closer to Scylla, he saved his ship, but lost 6 men in the process.
Scylla, like most sea-related monsters, represented the dangers of the sea. In this case, the passage between Sicily and Italy, which was particularly treacherous.
Odysseus did not warn hiscrew about Scylla because he was afraid they would all hide under the decks and not fight the monster. He needed them to be brave, so they could escape the narrow passage between Scylla and Charybdis
This is basically the Ancient Greek equivalent of being between a rock and a hard place. Charybdis was a large whirlpool, and Scylla was a many-headed monster who snatched sailors off of ships and ate them.
When working on a project of two or more conflicting elements and your hands are full so you can't do anything reffering to the greek story of the Oddesy.