نتایج جستجو برای: lagrange method

تعداد نتایج: 1635275  

Journal: :Journal of Combinatorial Theory, Series A 2016

Journal: :Entropy 2016
Monika Pinchas

Recently, a new blind adaptive deconvolution algorithm was proposed based on a new closed-form approximated expression for the conditional expectation (the expectation of the source input given the equalized or deconvolutional output) where the output and input probability density function (pdf) of the deconvolutional process were approximated with the maximum entropy density approximation tech...

1996
Stan Z. Li

Hoppeld-type networks convert a combinatorial optimization to a constrained real optimization and solve the latter using the penalty method. There is a dilemma with such networks: When tuned to produce good quality solutions, they can fail to converge to valid solutions; when tuned to converge, they tend to give low quality solutions. This paper proposes a new method, called the Augmented Lagra...

Journal: :SIAM Review 2004
Jean-Paul Berrut Lloyd N. Trefethen

Barycentric interpolation is a variant of Lagrange polynomial interpolation that is fast and stable. It deserves to be known as the standard method of polynomial interpolation.

Journal: :Neural computation 2002
Chuangyin Dang Lei Xu

A Lagrange multiplier and Hopfield-type barrier function method is proposed for approximating a solution of the traveling salesman problem. The method is derived from applications of Lagrange multipliers and a Hopfield-type barrier function and attempts to produce a solution of high quality by generating a minimum point of a barrier problem for a sequence of descending values of the barrier par...

Journal: :Mathematical and Computer Modelling 1994

Journal: :Historia Mathematica 1989

2008
Delfim F. M. Torres

We present some properties of the gradient of a mu-differentiable function. The Method of Lagrange Multipliers for mu-differentiable functions is then exemplified.

2009
Egil Bae Xue-Cheng Tai

The piecewise constant level set method (PCLSM) has recently emerged as a variant of the level set method for variational interphase problems. Traditionally, the Euler-Lagrange equations are solved by some iterative numerical method for PDEs. Normally the speed is slow. In this work, we focus on the piecewise constant level set method (PCLSM) applied to the multiphase Mumford-Shah model for ima...

Journal: :SIAM J. Numerical Analysis 2000
Barbara I. Wohlmuth

The mortar nite element method allows the coupling of diierent discretization schemes and triangulations across subregion boundaries. In the original mortar approach the matching at the interface is realized by enforcing an orthogonality relation between the jump and a modiied trace space which serves as a space of Lagrange multipliers. In this paper, this Lagrange multiplier space is replaced ...

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