ELI5: Explain Like I'm 5

Vector notation

Okay, kiddo, imagine you want to give someone directions to your house. Instead of saying "go left, then right, then left again," you could use something called vector notation.

A vector is like an arrow that points from one place to another. It has a start (where you are) and an end (where you want to go). The length of the arrow tells you how far you need to go, and the direction of the arrow tells you which way to go.

So, to use vector notation for your directions, you could draw an arrow pointing from the person's starting point to your house. The length of the arrow would represent the distance they need to travel, and the direction would show which way they need to go.

Now, if you have multiple steps in your directions, you could use multiple vectors to show the whole path. For example, you could draw one vector pointing left, then another pointing right, and so on until you reach your house.

Overall, vector notation is just a way of showing movement or direction using arrows with a specific length and direction. It's like a map that shows you where you need to go!
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