Predictor–corrector method: Difference between revisions

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{{Short description|Algorithms in numerical analysis}}
In [[numerical analysis]], '''predictor–corrector methods''' belong to a class of [[algorithm]]s designed to integrate ordinary differential equations{{snd}}to find an unknown function that satisfies a given differential equation. All such algorithms proceed in two steps:
 
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\end{align} </math>
 
The PECEC mode has one fewer function evaluation. than PECECE mode.

More generally, if the corrector is run ''k'' times, the method is in P(EC)<sup>''k''</sup>
or P(EC)<sup>''k''</sup>E mode. If the corrector method is iterated until it converges, this could be called PE(CE)<sup>∞</sup>.<ref>{{harvnb|Butcher|2003|p=104}}</ref>
 
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* {{MathWorld |title=Predictor-Corrector Methods |urlname=Predictor-CorrectorMethods}}
* [https://web.archive.org/web/20080617035745/http://www.fisica.uniud.it/~ercolessi/md/md/node22.html Predictor–corrector methods] for differential equations
 
{{Numerical integrators}}
 
{{DEFAULTSORT:Predictor-corrector method}}