Vector (mathematics and physics) - Wikipedia
https://en.m.wikipedia.org/wiki/Vector_(mathematics_and_physics)
In mathematics and physics, vector is a term that refers informally to some quantities that cannot be expressed by a single number (a scalar), or to elements of some vector spaces. Historically, vectors were introduced in geometry and physics (typically in mechanics) for quantities that have both a magnitude and a direction, such as displacements, forces and velocity. Such quantities are represented by g…
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