次梯度的英文
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"次梯度"怎么读用"次梯度"造句
英文翻译手机版
- subgradient
- "次"英文翻译 order; sequence
- "梯度"英文翻译 gradient; grad
- "次梯度风" 英文翻译 : subgradient wind
- "多层次梯度回波序列" 英文翻译 : multiple-slice-gradient-echo sequence
- "梯度" 英文翻译 : [物理学] gradient; [数学] grad
- "势梯度,位梯度" 英文翻译 : potential gradient
- "位梯度;势梯度" 英文翻译 : potential gradient
- "ph梯度" 英文翻译 : ph gradient
- "场梯度" 英文翻译 : field gradient
- "超梯度" 英文翻译 : supergradient
- "大梯度" 英文翻译 : heavy gradient
- "倒梯度" 英文翻译 : inverse gradient
- "电梯度" 英文翻译 : electrical gradients
- "陡度,梯度" 英文翻译 : gradient
- "陡梯度" 英文翻译 : heavy gradient; steel gradient
- "反梯度" 英文翻译 : antigradient; countergradient; upgradient
- "负梯度" 英文翻译 : antigradient; negative gradient
- "高梯度" 英文翻译 : high gradient
- "角梯度" 英文翻译 : angular gradient
- "力梯度" 英文翻译 : force gradient
- "零梯度" 英文翻译 : zero gradient
- "内梯度" 英文翻译 : inside gradient
- "热梯度" 英文翻译 : heat gradient; temperature gradient; thermal gradient; tone'smal gradient
- "势梯度" 英文翻译 : potential gradient
- "碳梯度" 英文翻译 : carbon gradiect
例句与用法
- In the algorithm level , currently various training algorithms of neural networks , including gradient algorithms , intelligent learning algorithms and hybrid algorithms , are comparatively studied ; the optimization principle of bp algorithm for neural networks training is analyzed in detail , and the reasons for serious disadvantages of bp algorithms are found out , moreover , the optimization principle of two kinds of improved bp algorithms is described in a uniform theoretic framework ; and the global optimization algorithms of neural networks , mainly genetic algorithm are expounded in detail , it follows that a improved genetic algorithm is proposed ; finally the training performances of various algorithms are compared based on a simulation experiment on a benchmark problem of neural network learning , furthermore , a viewpoint that genetic algorithm is subject to " curse of dimension " is proposed
在算法层,本文对目前用于神经网络训练的各种算法,包括梯度算法、智能学习算法和混合学习算法进行了比较研究;对用于神经网络训练的bp算法的优化原理进行了详细的理论分析,找到了bp算法存在严重缺陷的原因,并对其两类改进算法-启发式算法和二次梯度算法的优化原理,在统一的框架之下进行了详尽的理论描述;对神经网络全局优化算法主要是遗传算法进行了详细的阐述,并在此基础上,设计了一种性能改进的遗传算法;最后基于神经网络学习的benchmark问题对各种算法在网络训练中的应用性能进行了仿真研究,并提出了遗传算法受困于“维数灾难”的观点。
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