> in maths a dimension is defined as the minimum amount of values needed to precisely describe something
Or in other words, if you can accurately describe something with three values, it is 3d. If you need four values to describe it it‘s 4d.
Let me show you an example of what n-dimensions could look like:
– you want to know an object‘s position. Thats 3 dimensions, very intuitive.
– you also care about when it was at that position. So you also need a timestamp to precisely describe it; now your object is 4d
– let‘s say you also need to know it‘s colour, so you need its red green and blue value. And boom, 7 dimensions
And you can keep adding stuff. The more complex your problem is that you‘re trying to solve the more things you have to consider, and the amount of things is the amount of dimensions
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