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- We present nonmonotonic trust region algorithm via the conjugate gradient path for solving un-constrained optimization and further prove that the proposed algorithm has global convergence and fastasymptotic convergence. 提供了无约束最优化问题的共轭梯度路径非单调信赖域算法。进而获得了共轭梯度路的一些重要性质。基于这些性质和一些合理的假设,证明了算法具有整体收敛性和保持局部超线性收敛速率。
- An affine scaling interior projected conjugate gradient path algorithm for the box constrained optimization 有界变量约束优化的仿射投影共轭梯度路径内点方法
- Nonmonotonic Trust Region Algorithm Via Conjugate Gradient Path for Unconstrained Optimization 无约束最优化的共轭梯度路非单调信赖域算法
- conjugate gradient path 共轭梯度路径
- The authors propose a new hybrid conjugate gradient method. 摘要给出一个新的杂交共轭梯度法。
- Second, objective function was minimized with conjugate gradient technique. 第二,用共轭梯度法将目标函数最小化。
- The aim of this paper is to construct a three-term conjugate gradient method to solve the trust region subproblem. 在本文中,我们提出了解信赖域子问题的三项预处理共轭梯度法,并将这个方法嵌入解大型最优化问题的信赖域算法中。
- N step restart conjugate gradient routine is used to speed up the convergence rate. 使用n步重新开始的共轭梯度法可以提高算法的收敛速度。
- The conjugate descent method introduced by Fletcher (1987) is one of the conjugate gradient methods. 共轭下降法是由 Fletcher( 1 987)提出的一个共轭梯度法。
- According to the filter matrix particularity, the filter equation was solved by using conjugate gradient method. 并根据滤波矩阵的特殊性,?用共轭梯度法求解滤波方程。
- Conjugate gradient methods are efficient to minimize differentiable objective functions in large dimension spaces. 摘要共轭梯度方法是求解大规模优化问题的一种非常有效的方法。
- Iterative methods by the generalized conjugate gradient method were constructed and its limited termination was proved. 利用广义共轭梯度法构造迭代算法,并证明了算法的有限步终止性。
- The algorithm resetting of the convergence of the conjugate gradient is also employed to speed up the convergence rate. 还采用重置共扼梯度法加快了算法的收敛速度。
- To improve the prediction accuracy of BP network, the variable conjugate gradient (VCG) algorithm was proposed. 摘要为克服BP算法收敛速度慢,易陷入局部极小值等的缺点,提高BP预测精度等性能,提出了变共轭梯度法(VCG)。
- Our method makes use of the merits of two algorithms: first order gradient algorithm and conjugate gradient algorithm. 采用一阶梯度算法结合共轭梯度算法的方法求解了终时不固定的最优控制问题。
- Based on the steepest descent method and the conjugate gradient method, a hybrid algorithm is proposed in this paper, and its global convergence is proved. 摘要将最速下降法与共扼梯度法有机结合起来,构造出一种混合优化算法,并证明其全局收敛性。
- Application of complex conjugate gradient method(CCGM) and fast Fourier transform(FFT) to study multitudinous scattering in near-field optics. 利用共轭梯度法与快速傅立叶变换(CCGM-FFT)相结合的方法来研究近场多体散射问题。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- The conjugate gradient method (CGM) and fast Fourier transform (FFT) technique are used to reduce the necessary memory and CPU time. 在求解过程中应用共轭梯度法 (CGM)和快速傅立叶变换 (FFT)相结合的方法降低所需计算机内存和CPU时间。
- Nonlinear conjugate gradient optimize is used to realize the first arrival tomography inversion.The process of inversion is convergent. 利用非线性共轭梯度优化方法来实现初至旅行时层析反演,反演过程稳定收敛。