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- 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。
- A improved BP neural network algorithm with the stability of the steepest descent method and the speed performance of the Newton approach method is educed. 导出一种既有最速下降法的稳定性又有牛顿法的快速性的新算法;
- The hybrid algorithm raises the convergence rate of the conjugate gradient method and solves the problem for which the convergence rate of the steepest descent method get slower when the isopleth of goal function is oblong. 这种混合优化算法结合了共扼梯度法和最速下降法产生搜索方向,既提高了共扼梯度算法的收敛速度,又解决了目标函数的等值线是扁长椭球时,最速下降法下降缓慢的问题,具有收敛速度快、收敛范围大、适应面广等特点。
- Based on the steepest descent method,we present an efficient numerical method for computing the sine and cosine transform in resistivity measure,and present theoretical analysis of the error bound. 在最速下降法的基础上,给出了地球物理勘探中计算一种正余弦变换的一个有效数值算法,同时对新算法产生的误差进行了理论分析,并用数值实验对理论分析进行了检验。
- Switched capacity circuit structures of gradient methods are proposed,the common properties of the steepest descent method, Newton method and quas Newton methods are analysed. 建立了梯度法的开关电容电路结构,分析了最速下降法、牛顿方法和拟牛顿法的共同特点,研究无约束差分优化的开关电容电路结构。
- The Application of the Steepest Descent Method in the Image Reconstruction 最速下降法在图像重建中的应用
- A Hybrid Algorithm of the Steepest Descent Method and the Conjugate Gradient Method and Its Global Convergence 最速下降法和共轭梯度的混合算法及全局收敛
- Nonlinear Survey Data Processing Based on the Conjugate Gradient Method and the Steepest Descent Method 基于共轭梯度法和最速下降法的非线性测量数据处理
- the steepest descent method 最速下降法
- Then, an adaptive algorithm for the blind multiuser detection is given using method of the steepest descent. 然后,利用最速下降法,给出盲多用户检测的自适应算法。
- In this paper,the Linear-Exponential(L.E) algorithm are presented that is bassed on the optimal gradient estimation of steepest descent method . 本文基于对最速下降(算)法梯度的优化估值,提出了线性-指数(L.E)自适应滤波算法。
- In this paper, a new theoritical method, the steepest descent approxim ation method was developed to study the eigen value problem in optical waveguide theory. 本文提出了一套研究波导电磁场本征值问题的最陡下降逼近方向。
- Recently, Ni Ren-xing studied a characteristic condition for a generalized steepest descent method to converge to the solutions of quasi-accretive operators equations. 摘要倪仁兴最近的文章研究了广义最速下降法强收敛于拟增生算子方程解的一特征条件。
- As for Jerry, once he saw that his mother had gained her beach , he began the steep descent to the bay . 再说杰里,他一看见妈妈到了海滩,就开始沿着陡峭的路向下面海湾走去。
- From the ground, we could see the, plane pull out of its steep descent. 在地面上我们能看到飞机由俯冲变为水平飞行。
- generalized steepest descent method 广义最速下降法
- That overloaded truck jibbed at the steep hill. 那辆超载的卡车爬不上陡坡。
- relaxed hybrid steepest descent method 变分不等式问题
- They climbed the steep mountain inch by inch. 他们一点一点地攀上那座陡峭的山。
