A vector is a two-element value that represents both magnitude and direction.

Vectors are normally represented by the ordered pair or, when dealing with three dimentions, the tuple . When written in this fashion, they represent a quantity along a given axis.

The following formulas are important with vectors:

## Addition and subtractionEdit

Addition is performed by adding the components of the vector. For example, c = a + b is seen as:

With subtraction, invert the sign of the second vector's components.

## Multiplication (Scalar)Edit

The components of the vector are multiplied by the scalar:

## DivisionEdit

While some domains may permit division of vectors by vectors, such operations in physics are undefined. It is only possible to divide a vector by a scalar.

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