Difference between revisions of "Fixed point"
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| − | A '''fixed point''' of a [[function]], [[permutation]] or other such operator <math>f</math> | + | A '''fixed point''' of a [[function]], [[permutation]] or other such operator <math>f</math> is a value <math>x</math> such that <math>f(x) = x</math>, i.e. <math>f</math> acts like the [[identity]] at <math>x</math>. |
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| + | [[Category:Definition]] | ||
Latest revision as of 10:23, 20 April 2008
A fixed point of a function, permutation or other such operator 
is a value 
such that 
, i.e. acts like the identity at .
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