Quantity that has a magnitude, a sense and a direction.

The word vector is synonymous with geometric vector.


  • Vectors are indicated by lowercase letters topped by an arrow, like this: \(\overrightarrow{u}\) or \(\overrightarrow{v}\).
  • Vectors can also be indicated by a segment identifying its two end points, such as: \(\overrightarrow{\textrm{AB}}\) ou \(\overrightarrow{\textrm{CD}}\)

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