Undefined
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Undefined may refer to:
- Something that lacks definition
- In mathematics, an operation is called undefined (mathematics) if it cannot be defined in a meaningful way, Division by zero is the most common example.
- In calculus, an indeterminate form
- Undefined citizenship, a term used sometimes for statelessness
[edit] In computing
- Undefined behavior of some software
- Undefined value, a condition in programming
- A function or variable lacking declaration (computer programming)
- A variable lacking Initialization (programming)
- An unavailable linker symbol (function, or global variable), see dynamic linker
[edit] See also
- Null (disambiguation)
- Void (disambiguation)
- Invalid (disambiguation)
- Definition (disambiguation)
- Definable (disambiguation)
- Undefined Fantastic Object
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