Inverse problems and terminology
Inverse methods and parameter estimation. Part 1
Article REF: AF4515 V1
Inverse problems and terminology
Inverse methods and parameter estimation. Part 1

Authors : Daniel PETIT, Denis MAILLET

Publication date: January 10, 2008, Review date: October 21, 2019 | Lire en français

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2. Inverse problems and terminology

2.1 Physical system, model, direct problem, inverse problems

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2.1.1 Why a model?

The notion of model is a very general one. We can say that we have modeled a system if we are able to predict its behavior under the effect of a known stimulus. We're talking here about a hardware system, not an information system. The modeler seeks to represent the real physical system by a model M, which is then used to simulate its behavior. This model depends on a certain number of structural quantities, which we will classify here...

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