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Conjugate Gradient Method

A New Conjugancy Coefficient of Conjugate Gradient Method

A New Conjugancy Coefficient of Conjugate Gradient Method

... Abstract: In this paper, we derived a new formula of conjugancy coefficient for conjugate gradient method. The proposed formula depend on quasi-Newton condition. The sufficient descent and the global ...

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Penalty Algorithm Based on Conjugate Gradient Method for Solving Portfolio Management Problem

Penalty Algorithm Based on Conjugate Gradient Method for Solving Portfolio Management Problem

... the conjugate gradient method is regarded as one of the most powerful approaches due to its smaller storage requirements and computation ...the conjugate gradient methods have been ...

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A Modified FR Conjugate Gradient Method with Strong Wolfe Line Search

A Modified FR Conjugate Gradient Method with Strong Wolfe Line Search

... FR conjugate gradient method has been disclosed, whose algorithm satisfies the descent property and the global convergence of this method can be guaranteed under some mild ...MFR ...

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A New Nonlinear Conjugate Gradient Method Based on the Scaled Matrix

A New Nonlinear Conjugate Gradient Method Based on the Scaled Matrix

... nonlinear conjugate gradient method based on the Scale Matrix is ...new method has the decent and globally convergent properties under some ...this method to solve the given test ...

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A New Descent Nonlinear Conjugate Gradient Method for Unconstrained Optimization

A New Descent Nonlinear Conjugate Gradient Method for Unconstrained Optimization

... In this paper, a new nonlinear conjugate gradient method is proposed for large-scale unconstrained optimiza- tion. The sufficient descent property holds without any line searches. We use some ...

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A scaled three term conjugate gradient method for unconstrained optimization

A scaled three term conjugate gradient method for unconstrained optimization

... Conjugate gradient methods play an important role in many fields of application due to their simplicity, low memory requirements, and global convergence ...three-term conjugate gradient ...

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Modified nonlinear conjugate gradient method with sufficient descent condition for unconstrained optimization

Modified nonlinear conjugate gradient method with sufficient descent condition for unconstrained optimization

... The conjugate gradient method comprises a class of unconstrained optimization algo- rithms which is characterized by low memory requirements and strong local or global convergence ...nonlinear ...

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Modified HS conjugate gradient method for solving generalized absolute value equations

Modified HS conjugate gradient method for solving generalized absolute value equations

... In this section, we present numerical results to show the efficiency of the modified HS conjugate gradient method (Algorithm 3.1). The numerical testing was carried out on a Lenovo PC with the use of ...

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A double direction conjugate gradient method for solving large-scale system of nonlinear equations

A double direction conjugate gradient method for solving large-scale system of nonlinear equations

... of conjugate gradient method for solving symmetric nonlinear system of equa- tions is a welcome ...Nonlinear conjugate gradient came into existence in the year 1964 [13], since then the ...

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Crack Detection In Functionally Graded Beams Using Conjugate Gradient Method

Crack Detection In Functionally Graded Beams Using Conjugate Gradient Method

... by conjugate gradient ...this method in FGM ...determined. Conjugate gradient method can be utilized for computing the parameters of crack (position and depth) given the natural ...

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Optimal control based on nonlinear conjugate gradient method in cardiac electrophysiology

Optimal control based on nonlinear conjugate gradient method in cardiac electrophysiology

... nonlinear conjugate gradient ...nonlinear conjugate gradient method is developed in this research for solving ...developed method was proven to be performed better than other ...

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A new accelerated conjugate gradient method for large scale unconstrained optimization

A new accelerated conjugate gradient method for large scale unconstrained optimization

... new conjugate gradient method using an acceleration scheme for solving large-scale unconstrained ...proposed method with a Wolfe line search is ...given method is competitive for ...

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Reconstruction of the perfusion coefficient from temperature measurements using the conjugate gradient method

Reconstruction of the perfusion coefficient from temperature measurements using the conjugate gradient method

... We consider the inverse bio-heat transfer problem to determine the space- and time-dependent perfusion coefficient from temperature measurements. In this formulation, the problem is fully determined and the coefficient ...

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A DESCENT PRP CONJUGATE GRADIENT METHOD FOR UNCONSTRAINED OPTIMIZATION

A DESCENT PRP CONJUGATE GRADIENT METHOD FOR UNCONSTRAINED OPTIMIZATION

... nonlinear conjugate gradient ...a conjugate gradient method may not be a descent ...PRP conjugate gradient method has the sufficient descent property and ensures ...

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A nonmonotone hybrid conjugate gradient method for unconstrained optimization

A nonmonotone hybrid conjugate gradient method for unconstrained optimization

... hybrid conjugate gradient methods were presented in [–] after the first hy- brid conjugate algorithm was proposed by Touati-Ahmed and Storey ...hybrid conjugate gradient method ...

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Optimum Shape Design of a Radiant Oven by the Conjugate Gradient Method and a Grid Regularization Approach

Optimum Shape Design of a Radiant Oven by the Conjugate Gradient Method and a Grid Regularization Approach

... and conjugate gradient methods for shape design of heat conduction ...radiation method and the conjugate gradient method is used to optimize the locations of the nodal points ...

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A new smoothing modified three term conjugate gradient method for \(l {1}\) norm minimization problem

A new smoothing modified three term conjugate gradient method for \(l {1}\) norm minimization problem

... ent method, GPSR method, and other methods proposed in [2, 9, 10, 14], we can see that the smoothing modified three-term conjugate gradient method is simple and needs small ...smoothing ...

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A Conjugate Gradient Method for Unconstrained Optimization Problems

A Conjugate Gradient Method for Unconstrained Optimization Problems

... hybrid method combining the FR conjugate gradient method and the WYL conjugate gradient method is proposed for unconstrained optimization ...presented method ...

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Global convergence of a modified conjugate gradient method

Global convergence of a modified conjugate gradient method

... modified conjugate gradient method to solve unconstrained optimization problems is proposed which satisfies the sufficient descent condition in the case of the strong Wolfe line search, and its global ...

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A New Preconditioned Conjugate Gradient Method for Optimization

A New Preconditioned Conjugate Gradient Method for Optimization

... descent Conjugate Gradient method with multi-step quasi-Newton updates is ...The method generates search directions that are a combination of the two-step quasi-Newton and CG vectors in an ...

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