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World English Dictionary

fixed point | |

—n | |

1. | physics a reproducible invariant temperature; the boiling point, freezing point, or triple point of a substance, such as water, that is used to calibrate a thermometer or define a temperature scale |

2. | maths a point that is not moved by a given transformation |

Collins English Dictionary - Complete & Unabridged 10th Edition

2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins

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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins

Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009

Cite This Source

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Computing Dictionary

The fixed point of a function, f is any value, x for which f x = x. A function may have any number of fixed points from none (e.g. f x = x+1) to infinitely many (e.g. f x = x). The fixed point combinator, written as either "fix" or "Y" will return the fixed point of a function.

See also least fixed point.

(1995-04-13)

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