Graph of a function: Difference between revisions

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Revision as of 01:24, 19 March 2020

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== Definition ==

Given a mapping <math>f:X \to Y</math>, in other words a function <math>f</math> together with its ___domain <math>X</math> and codomain <math>Y</math>, the graph of the mapping is<ref>{{cite book|author=D. S. Bridges|title=Foundations of Real and Abstract Analysis|url=https://archive.org/details/springer_10.1007-978-0-387-22620-0|year=1991|publisher=Springer|page=[https://archive.org/details/springer_10.1007-978-0-387-22620-0/page/n292 285]|isbn=0-387-98239-6}}</ref> the set

:<math>G(f)=\{(x,f(x)) \mid x \in X\}</math>,