The disturbed extremum scheme accelerates the particles to overstep the local extremum.
算法中采用了带极值扰动策略，加速粒子跳出局部最优的能力。
Using this method, the noisy point is determined quickly by looking for the local extremum and the classified markers are made for all pixels of the image.
这种方法通过寻找局部极值快速确定噪声点，并对图像的所有像素做分类标记，处理的过程中只考虑标记为噪声的点，采用邻域内非噪声点的均值作为滤波输出。
Experiments show that this algorithm can speed up the learning process of network, and solve the problem of local extremum in learning process to a certain extend.
实验表明，该算法不仅能明显提高网络的学习速度，而且可较好地避免学习过程陷入局部极小点而导致学习失败。
The BP neural network has the ability to solve many practical problems because of its strong mapping. However, it has slow convergence rate and is prone to fall into local extremum.
BP神经网络具有很强的映射能力，可以解决许多实际问题，但同时还存在着收敛速度慢，易陷于局部极小的缺点。
It gets the plane scattered data points through selecting the local extremum points on the remote image, and then triangulates, constructs the triangular interpolating surface on it.
该方法通过在遥感图像上选取局部极值点来构成平面散乱数据点集，并在此基础上进行三角剖分、优化和三角插值曲面构造。
Meanwhile, we use a fast simulation annealing algorithm in the inversion, which can overcome the limitation of the local extremum of objective function, and acquire a global optimum result.
同时，在具体反演中使用快速模拟退火算法，可以克服目标函数局部极值的限制，从而获得全局最优解。
This article use the diverse function extremum and the local derivative's definition formula to prove the relation between extremum obtained by the two function and the dollar function at some point.
利用多元函数极值的定义和偏导数的定义公式证明二元函数与一元函数在某点取得极值的关系。
This article use the diverse function extremum and the local derivative's definition formula to prove the relation between extremum obtained by the two function and the dollar function at some point.
利用多元函数极值的定义和偏导数的定义公式证明二元函数与一元函数在某点取得极值的关系。
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