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Norm (mathematics) Facts for Kids. *Kiddle Encyclopedia.*

In mathematics, the **norm** of a vector is its length. For the real numbers the only norm is the absolute value. For spaces with more dimensions the norm can be any function with

- Scales for real numbers , that is
- Function of sum is less than sum of functions, that is or the triangle inequality
- if and only if .

- The one-norm is the sum of absolute values: This is like finding the distance from one place on a grid to another by summing together the distances in all directions the grid goes; see Manhattan Distance
- Euclidean norm is the sum of the squares of the values:
- Maximum norm is the maximum absolute value:

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Norm (mathematics) Facts for Kids. - This page was last modified on 1 July 2019, at 18:31.