Lab for Automated Reasoning and Analysis LARA

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sav08:fixpoints [2008/05/06 23:30]
giuliano
sav08:fixpoints [2008/05/06 23:31] (current)
giuliano
Line 8: Line 8:
   * a function can have various number of fixpoints. Take $f : {\cal Z} \to {\cal Z}$,    * a function can have various number of fixpoints. Take $f : {\cal Z} \to {\cal Z}$, 
      * $f(x)=x$ the set of fixedpoints is $\mathbb Z$      * $f(x)=x$ the set of fixedpoints is $\mathbb Z$
-     * $f(x)=x^2$ the set of fixedpoints is ${0, 1}$ +     * $f(x)=x^2$ the set of fixedpoints is $\{0, 1\}$ 
      * $f(x)=3x-6$ has exactly one fixpoint: $3$      * $f(x)=3x-6$ has exactly one fixpoint: $3$
   * a function can have at most one least and at most one greatest fixpoint   * a function can have at most one least and at most one greatest fixpoint
 
sav08/fixpoints.txt · Last modified: 2008/05/06 23:31 by giuliano
 
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