Levenberg–Marquardt algorithm: Difference between revisions

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where <math>\alpha</math> is usually fixed to a value lesser than 1, with smaller values for harder problems.<ref name="Transtrum2012"/>
 
The addition of a geodesic acceleration term can allow significant increase in convergence speed and it is especially useful when the algorithm is moving through narrow canyons in the landscape of the objective function, where the allowed steps are smaller and the higher accuracy due to the second order term gives significativesignificant improvements.<ref name="Transtrum2012"/>
 
==Example==