Least-squares is described as a method for solving problems where there is an excess of information available. This is often the case in experimental mechanics. The method can be used to include information from different sources; experimental and theoretical. The method is applied to curve fitting problems and to more general situations. Nonlinear least squares methods are described for fitting of approximation functions.
KeywordsFree Boundary Experimental Mechanics Solution Line Taylor Series Approximation Diametral Compression
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