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Everything about Partial function

Function whose actual domain of definition may be smaller than its apparent domain

In mathematics, a partial function f from a set X to a set Y is a function from a subset S of X to Y. The subset S, that is, the domain of f viewed as a function, is called the domain of definition or natural domain of f. If S equals X, that is, if f is defined on every element in X, then f is said to be a total function. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Partial functionA 5-minute orientation
  2. Skim a recent paper: Time-dependent probability density function for partial resetting dynamicsInfluential work since 2022
  3. Pick up a classic book: Differential and Difference Equations with ApplicationsThe most-reprinted book on the subject
  4. Read the landmark paper: Characterization of the Partial Autocorrelation FunctionCited 109 times
  5. Go sideways: BijectionA closely related topic
  6. Go sideways: Injective functionA closely related topic

📖 Definitions

Noun A function whose domain is a subset of the set on which it is formally defined; i.e., a function f: X→Y for which values f(x) are defined only for x ∈ W, where W ⊆ X.

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

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