2. Pivot methods
In this section, we describe a family of methods based on a common technique, which can be used to solve problems as varied as linear equations, calculating determinants and inverse matrices, finding dependency relationships...
Readers may find it useful to consult the article [AF 85], which introduces the basics of linear algebra.
2.1 Principle of staggering
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Pivot methods
Iterative methods
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Numerical calculation software and libraries
The actual implementation of the methods described above requires highly precise computer techniques which the size of this article does not allow us to cover. In any case, "off-the-shelf" programs are not always well-suited to real-life situations, which may require prior simplifications, estimates of tolerable errors, etc.
The following is a...
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