Computational Complexity of the Logistic Map
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This Demonstration shows the computational space complexity needed to exactly compute the iteration of the logistic equation 
). The initial value of the iteration is 
, with 
, the number of iterations performed, and 
, the bifurcation parameter for the logistic map. Each value 
of the orbit, 
, is computed up to relative error of 
.
Contributed by: Christoph Spandl (March 2011)
Open content licensed under CC BY-NC-SA
Snapshots
Details
Computational space complexity is measured as "loss of precision rate" 
, where 
is the mantissa length needed to represent the initial value such that the precision requirement—relative error less than or equal to for all —is fulfilled. The blue curve shows the "exact" orbit computed this way. The red curve shows the orbit computed with machine precision. For more information, see the article C. Spandl, "Computational Complexity of Iterated Maps on the Interval," Electronic Proceedings in Theoretical Computer Science, 24 (http://arxiv.org/html/1006.0551), 2010 pp. 139–150.
Permanent Citation
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