Exact(1)
The variational calculus on a q-uniform lattice helps to find the extremum of the functional involved in Lagrange problems of q-Euler equations rather than solving the Euler-Lagrange equation itself [2].
Similar(59)
In 1908, Ritz laid out his famous method for determining frequencies and mode shapes, choosing multiple admissible displacement functions, and minimizing a functional involving both potential and kinetic energies.
Minimizing the M-S functional involves determining both a function and a contour across which smoothness is not.
However, these methods solving the M-S functional involve alternating optimization [21, 22] of the reconstruction function and the contour.
On the other hand, the load related to the calculation of the second derivative might be really large, especially when a cost functional involves a standard deviation.
A new Lyapunov Krasovskii functional involving more information on the state variables is established to derive a novel exponential stability criterion.
This method is deduced from a variational principle, which uses a modified hybrid functional involving the generalized displacements and generalized tractions on the boundary and the lateral deflection in the domain as independent variables.
Cross-functional involves actions which span organizational boundaries.
These methods give somehow satisfactory answers for functionals involving u and (nabla u), but are not able to handle terms involving the Monge Ampère operator (det (D^2 u)).
The following is a summary description of terms, variables, and abbreviations used in this chapter: Cross-functional involves actions which span organizational boundaries.
Such functionals involve up to second-order spatial derivatives of the phase-field, leading to fourth-order Euler Lagrange partial differential equations (PDE).
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