Function - Identity

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1 - About

An identity function is an algebraic law that defines when the output of the function is equal to the input.

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3 - Linear Algebra

identity function.

For any domain D: each domain element d map to itself:

<math>id_D : D \rightarrow D</math>

4 - Example

Addition (+)

<MATH> x+0 = x </MATH>

Division: (/)

<MATH> \frac{x}{1} = x </MATH>
code/function/identity.txt · Last modified: 2017/11/30 14:31 by gerardnico