Vectors and notation (article) | Khan Academy
https://www.khanacademy.org/math/multivariable-calculus/thinking-about-multivariable-function/x786f2022:vectors-and-matrices/a/vectors-and-notation-mvc
WEBVectors are the building blocks of everything multivariable. We use them when we want to represent a coordinate in higher-dimensional space or, more generally, to write a list of anything. In this article, we'll cover what vectors are, different ways to write them, and the three basic vector operations.
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