The difference between Identity function and Inclusion function

When used as nouns, identity function means a function whose value is always the same as its independent variable, and for which the codomain equals the domain, whereas inclusion function means a function whose domain is a subset of its codomain, and for which all of the elements in its domain are fixed points.


check bellow for the other definitions of Identity function and Inclusion function

  1. Identity function as a noun (mathematics):

    A function whose value is always the same as its independent variable, and for which the codomain equals the domain.

  1. Inclusion function as a noun (mathematics):

    A function whose domain is a subset of its codomain, and for which all of the elements in its domain are fixed points.

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