
2.6 MEL
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2.6 MEL
MEL's use of the term
vector
is more closely related to the computer science definition
of a vector: a one-dimensional array of scalars. As such, there are very few restrictions
on what operations can be performed on a vector.
A vector's elements can be accessed through its x, y, and z components. Vectors
can be added, subtracted, and multiplied by other vectors, resulting in another vector.
These operations are simply performed in a component-wise fashion.
Because a vector has just three components, it can only be used to represent
Cartesian coordinates. The lack of a fourth component prevents it from ...