# Length Measure

(Redirected from length function)

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A Length Measure is a distance function between a space origin and a point.

**Context:**- Input: an Entity.
- Output: a Number.
- It can be used by a Shorter Than Relation (Longer Than Relation).

**Example(s):**- a Sequence Length Function, with a Function Range of Non-Negative Integers.
- a Vector Length Function.
- a String Length Function. (??).
- a Distance Between Two Graph Nodes Measure.
- …

**Counter-Example(s):****See:**Euclidean Distance Function, Edge Distance Function.