This chapter presents the EIV problem for static systems. Quite some details are given for a simple line-fitting problem, which yet captures the key properties of many more advanced EIV problems. It is shown that without specific assumptions there is no unique solution to the EIV problem, and thus the system is then not identifiable. Further, it is discussed under what additional conditions identifiability prevails. The methodology provided by the factor analysis modeling and by the Frisch scheme are also described.
CITATION STYLE
Söderström, T. (2018). The static case. In Communications and Control Engineering (pp. 15–47). Springer International Publishing. https://doi.org/10.1007/978-3-319-75001-9_2
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