# Difference between revisions of "Small perturbation"

From Glossary of Meteorology

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− | <div class="definition"><div class="short_definition">In the context of [[tangent linear]] and [[adjoint models]], [[perturbations]] are considered small if their development can be described with acceptable [[accuracy]] by [[tangent linear equations]].</div><br/> <div class="paragraph">In many cases, this class of perturbations includes those that are comparable in magnitude to the typical analysis errors of operational forecast models. <br/>''See'' [[tangent linear approximation]].</div><br/> </div> | + | <div class="definition"><div class="short_definition">In the context of [[tangent linear model|tangent linear]] and [[adjoint models]], [[perturbations]] are considered small if their development can be described with acceptable [[accuracy]] by [[tangent linear equations]].</div><br/> <div class="paragraph">In many cases, this class of perturbations includes those that are comparable in magnitude to the typical analysis errors of operational forecast models. <br/>''See'' [[tangent linear approximation]].</div><br/> </div> |

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## Latest revision as of 17:54, 25 April 2012

## small perturbation

In the context of tangent linear and adjoint models, perturbations are considered small if their development can be described with acceptable accuracy by tangent linear equations.

In many cases, this class of perturbations includes those that are comparable in magnitude to the typical analysis errors of operational forecast models.

*See*tangent linear approximation.