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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Optimal control based on nonlinear conjugate gradient method in cardiac electrophysiology
... conjugate gradient method is developed in this research for solving ...developed method was proven to be performed better than other hybrid methods under the selected inexact line search in this ...
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A New Nonlinear Conjugate Gradient Method Based on the Scaled Matrix
... 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
... 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 steplength ...
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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 ...conjugate gradient method by utilizing the ...
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Crack Detection In Functionally Graded Beams Using Conjugate Gradient Method
... this method in FGM ...Conjugate gradient method can be utilized for computing the parameters of crack (position and depth) given the natural frequencies of FGM beam as ...
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A Differential Equation for Modeling Nesterov's Accelerated Gradient Method: Theory and Insights
... the gradient restarting scheme, the original Nesterov’s scheme and the proximal gradient ...the gradient restarting scheme as in Theorem ...with gradient restarting, the speed restarting ...
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A nonmonotone hybrid conjugate gradient method for unconstrained optimization
... conjugate gradient methods were presented in [–] after the first hy- brid conjugate algorithm was proposed by Touati-Ahmed and Storey ...conjugate gradient method (LY) with the conjugate ...
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A new accelerated conjugate gradient method for large scale unconstrained optimization
... 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 unconstrained ...
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A Modified FR Conjugate Gradient Method with Strong Wolfe Line Search
... conjugate gradient method(MFR) is presented for solving unconstrained optimization ...MFR method is satisfied without any line search. Moreover, the MFR method reduces to the standard FR ...
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A Study on the Convergence of Gradient Method with Momentum for Sigma Pi Sigma Neural Networks
... a gradient method with momentum for sigma-pi-sigma neural networks (SPSNN) is considered in order to accelerate the convergence of the learning procedure for the network ...
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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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Learning of Soccer Player Agents Using a Policy Gradient Method: Pass Selection
... learning method for the pass selection problem of midfielders in RoboCup Soccer Simulation ...policy gradient method is applied as a learning method to solve this problem because it can easily ...
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A DESCENT PRP CONJUGATE GRADIENT METHOD FOR UNCONSTRAINED OPTIMIZATION
... conjugate gradient methods. Also, the direction generated by a conjugate gradient method may not be a descent ...conjugate gradient method has the sufficient descent property and ...
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Hardening against adversarial examples with the smooth gradient method
... the gradient of the error with respect to the input can therefore be considered equivalent to the continuous online creation of new adversarial examples at each training iterarion, against which the network is ...
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Global convergence of a modified conjugate gradient method
... PRP method is globally convergent under the exact line ...PRP method does not converge globally for some non-convex ...PRP method is generally believed to be the most efficient conjugate ...
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A New Preconditioned Conjugate Gradient Method for Optimization
... 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 attempt to utilize ...
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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 possesses the ...
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Text Extraction in Images Using DWT, Gradient Method And SVM Classifier
... Then gradient difference is applied on an image getting after applying the Daubechies DWT to get the text regions of high ...otsu method is applied along with Euclidian ...
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Moving force identification based on modified preconditioned conjugate gradient method
... In this paper, based on the existing CG and PCG techniques, a modified preconditioned conjugate gradient (M-PCG) method is proposed for MFI aiming to overcome the ill-posed problems. In order to improve the ...
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