Science Fair Project Encyclopedia
Defined and undefined
(Redirected from Undefined)
In mathematics, defined and undefined are used to explain whether or not expressions have meaningful, sensible output. These are also known as "well-behaved" and respectively "ill-behaved".
The following algebraic expressions are undefined:
-
(see division by zero)
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![\sqrt[0]{x}](a/../upload/math/a1e6f748975b9800375f3566c8d8cbda.png)
(since ![\sqrt[n]{x} = x ^ {1 \over n}](a/../upload/math/843f3ad189fa9192d056b20e60f74ecc.png)
)
- 00
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Undefined values of a function are usually determined by the limit of the function as it approaches the singularity.
See also: mathematical singularity, indeterminate
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details