Surface water waves as saddle points of the energy
نویسندگان
چکیده
منابع مشابه
Saddle Points
To compute the maximum likelihood estimates the log-likelihood function L is maximized with respect to all model parameters. To check that the maximization has been achieved two things have to be satisfied: 1. The vector of first derivatives with respect to the model parameter L′ should be equal to 0. 2. The negative of the matrix of the second derivatives −L′′ should be a positive definite mat...
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ژورنال
عنوان ژورنال: Calculus of Variations and Partial Differential Equations
سال: 2003
ISSN: 0944-2669,1432-0835
DOI: 10.1007/s00526-002-0166-9