查询词典 descent method

We get the following conclusions: the Weil Descent's algebraic attack method is not a threat to hyperelliptic curves with the form of y〓+xy=f defined over GF (2〓) when r is large.

得出结论：Weil Descent代数攻击对这类超椭圆曲线所建立的密码体制并未造成太大的威胁。

The method based on cylindrical carrier model to use Watson transformation rebuild the path of integration along a steepest descent path on which the integrand decays most rapidly.

该方法根据圆柱载体的特殊结构，利用Watson变换将电场积分路径进行改造，改造后的积分路径缩减了求解电场过程，从而提高了积分计算效率。

The control parameters are optimized by using the method of Constrained Steepest Descent with State Equations.

采用状态方程有约束最速下降法对控制系统控制参数进行优化，建立了直流电机位置控制系统性能优化的数学模型，结合具体的位置控制系统推导CSDSE优化方法，并给出优化程序的编制步骤。

Using the steepest descent method of Deift-Zhou,we derive uniform asymptotic formulas for the Meixner polynomials.

利用Deift和Zhou的最速下降线法，我们导出一些关于Meixner多项式的一致渐近公式。

The influence of some rnodified genetic algorithms on searchspeed is also examined. Some genetic operations suitable to the optimization technique areobtained, therefore, a novel way of solving a class of optimizations of functions that cannot be realized using the method of steepest descent is proposed.

文中还分析了一些改进的遗传算法对于该问题搜索速度的影响，得到了适于解决此问题的合理的遗传操作，从而为有效地解决最速下降法所不能实现的某一类函数代化问题提供了一种新的途径。

The probability density functions of scintillation for the terrain, the sea surface and the forest, the two scattering terrain model was obtained, in which the probability integral is made by the method of steepest descent.

分析中采用最速下降法处理概率积分，获得了与岩石、海洋和森林二大类地物散射体对应的闪烁概率密度函数。

At last, a method of gradient descent by advanced step to get the local minimum is formulated and some good jumping strategy to get the integral minimum are also given out.

分别对蛋白质初始格局的选取、局部最优格局的计算、跳坑策略这三方面进行了深入研究。

Given a mesh, we first solve a Poisson equation to construct a scalar field and use it to generate some critical points. The cutting paths between the critical points and the boundaries are solved in the Poisson scalar field using the deepest descent method. For meshes with nonzero-genus, we construct a Harmonic scalar field, and connect the saddle points with the boundaries based on the Morse theory.

对于给定的任意网格，通过求解泊松方程构造标量场来选取临界点，并采用最速下降法给出临界点到边界或者初始点的切割路径；对于亏格不为零的网格，基于Morse理论，通过构造一个调和标量场来得到鞍点，并将它们连接到边界。

By using generalized projection matrix, conditions are given on the scalars in the three term-memory gradient direction to ensure that the three term-memory gradient projection direction is a descent direction. A new three term-memory gradient projection method for nonlinear programming with nonlinear equality and in-equality constraints is presented.

利用广义投影矩阵，对求解无约束规划的三项记忆梯度算法中的参数给一条件，确定它们的取值范围，以保证得到目标函数的三项记忆梯度广义投影下降方向，建立了求解非线性等式和不等式约束优化问题的三项记忆梯度广义投影算法，并证明了算法的收敛性。

Steepest gradient descent method had been mostly used in the iteration process of the error energy function during conventional programming problems.

传统的规划问题中，一般使用最陡梯度算法进行误差能量函数的迭代过程。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"