identity
Last modified by Administrator on 2020/08/13 18:56
Notations of identity
In mathematics, an identity function, is a function that always returns the same value that was used as its argument.
Description of this symbol
- Identity in openMath/fns1, and in MathML.
- identity in mathWorld, and in wikipedia.
Observations of identity
Put your observations here...
German
We find in the property on the right, id x is the identity element of the monoid of all functions from X to X.
It is shown in the German book lineare Algebra in page 37, and it is called 'Identische Abbildung' in German context.
Find the example in google books lik.
Also on the right we find another example which represents the identity function.
Find the example in the German book Mathematik Wirklich Versteheny in page number 207.
English
In the calculus book we find an identity function is represented in page 432.
Go to the example in google books link.