• 利用共轭梯度方法实现了激发极化(IP快速反演

    Rapid 3D induced polarization (IP) inversions algorithm are developed using conjugate gradient (CG) relaxation techniques.

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  • 它在理论上多项式算法,并可以任意点启动,可以应用共轭梯度方法有效地求解大规模线性不等式组问题

    SDNM is a polynomial time algorithm with the Newtons method, so that SDNM can solve large-scale linear inequalities.

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  • 第一章,回顾有关共轭梯度方法基本知识一些著名成果描述BFGSBFGS - TYPE公式

    In Chapter 1, we recall the foundational knowledge about conjugate gradient method and some famous researches, and describe the BFGS and BFGS-TYPE formulas.

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  • 程序采用了“共轭梯度——最小二乘优化方法,其收敛性能较好,在较坏的初值情况下也能较快收敛。

    In this program, the optimization method of "Conjugate Gradient-Least Squares" is employed, since it usually gives good convergent results.

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  • 共轭梯度最优化常用方法之一具有算法简便需要矩阵存储等优点,十分适合大规模优化问题

    Conjugate gradient method, which can be easily computed and requires no matrix storage, is one of the most popular and useful method for solving large scale optimization problems.

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  • 共轭梯度求解约束优化问题一类有效方法

    The conjugate gradient method is one of the most efficient methods for solving unconstrained optimization problems.

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  • 利用优化问题非线性共轭梯度混沌优化方法结合,提出了新的混合优化算法

    A new hybrid algorithm which combines the chaos optimization method and the nonlinear conjugate gradient method approach having an effective convergence property is proposed.

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  • 针对包装印刷传动位置伺服系统介绍一种基于共轭梯度学习算法神经网络自适应PID控制方法

    The paper proposes an adaptive neural network PID controller based on weighlearning algorithm using the gradient descent method for the AC position servosystem of binding and printing.

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  • 方法选取共轭梯度反演算法维反演的核心

    The conjugate gradient method was selected as the inversion kernel.

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  • 结合共轭梯度借助于MATLAB软件,提出一种控制系统校正环节优化设计方法

    A new method of optimisation design for the correction element in control system is stated by combining the conjugate gradient method and using MATLAB software.

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  • 共轭梯度求解大规模约束优化问题一种有效方法

    Conjugate gradient method is an efficient method in solving problems with unconstrained optimization, which is especially efficient in dealing large dimension.

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  • 给出了使用共轭梯度直接最优控制解法本文方法结果比较,表明本文方法解决该类问题一种直观有效途径

    Compared with direct conjugate gradient optimal control solution method, the method of this paper is a direct and effective way to solve the problem.

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  • 方法利用最大似然准则建立目标函数,同时利用非线性共轭梯度来优化求解目标函数。

    The objective function was established based on the maximum likelihood rule, which was solved by nonlinear conjugate gradient method.

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  • 计算方法采用共轭梯度

    The conjugate gradient method is employed in developing the algorithm.

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  • 共轭梯度引入蒙特卡洛随机有限元法,建立基于多项式预处理共轭梯度蒙特卡洛随机有限元方法

    An improved MonteCarlo stochastic FEM based on polynomial preconditioners is established through introduction of the conjugate gradients method into the traditional MonteCarlo stochastic FEM.

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  • 本文方法实际应用有效性进行了分析和说明,利用共轭梯度迭代技术实现了垂直有限线电阻率反演

    This paper analyzes the applied effect of this method, then solves the vertical finite line source 3d resistivity inversion by using conjugate gradient relaxation.

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  • 方法辐射传递方程离散坐标近似基础上,求目标函数极小值共轭梯度进行反演计算。

    The inverse problem is solved using conjugate gradient method of minimization based on discrete ordinates method of radiative transfer equation.

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  • 求解过程中应用共轭梯度(CGM)快速傅立叶变换(FFT)相结合的方法降低所需计算机内存CPU时间

    The conjugate gradient method (CGM) and fast Fourier transform (FFT) technique are used to reduce the necessary memory and CPU time.

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  • 本文根据常微分方程参数反问题数学理论,将正交化方法同有限差分法结合用于确定水质模型参数,正则化方法、最速下降法和共轭梯度法作比较。

    The comparison of the calculation results show that orthogonal rule method is fast, simple and reliable, and is applicable to the calculation of the water quality modeling parameters.

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  • 基于空间共轭梯度算法的盲目图像复原方法由于在复原过程中追求了充分平滑,使得复原图像中的边缘细节信息有所损失

    The restored image obtained by using the space domain conjugate gradient algorithm is too smooth and loses some information about the edge detail.

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  • 数值效果显示数值结果差不多的情况下我们方法计算时间上比信赖域-截断共轭梯度优越性。

    Numerical results demonstrate that our approach is effective, by noting that the computation time is largely shortened in comparison with the trust-truncate CG method.

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  • 比较传统最小二乘反演方法利用共轭梯度电阻率最小构造反演显示了更好效果

    The 3-d resistivity inversion for minimum stricture using conjugate gradients shows good results as compared with traditional inversion method of least squares.

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  • 约束最优化方法包括梯度共轭方向法、牛顿拟牛顿法。

    Unconstrained optimization methods include gradient, conjugate direction, Newton, and quasi-Newton methods.

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  • 第二章,我们考虑CGE方法(停止准则共轭梯度)求解解像度图像重构问题

    In Chapter 2, we consider using CGE method (i. e. CG with early stop criterion) to solve the super-resolution image reconstruction problem.

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  • 第二章,我们考虑CGE方法(停止准则共轭梯度)求解解像度图像重构问题

    In Chapter 2, we consider using CGE method (i. e. CG with early stop criterion) to solve the super-resolution image reconstruction problem.

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