Ps22Pdf 关键词 : 演化学习 ; 神经网络模型 ; 梯度下降计算 ; 工艺优化 [gap=694]Key words: Evolutional Learning; Neural Networks; Gradient Descent Algorithm; Optimums of Technological Process..
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But it has some disadvantages, for example:the rate of evolutional learning is too slow sometimes, and the stability of network is discontented.
演化学习具有全局优化性能好，实验样本数要求少等优点，但也存在一些问题，如演化学习的速度较慢、模型的稳定性较差等。
An evolutional learning method was proposed to establish a quantitative composition-activity relationship(QCAR)model and predict the bioactivity of Chinese medicine.
针对中药的组分配伍优化设计，提出一类中药药效智能预测及定量组效关系（QCAR）建模方法。
An automatic learning method of intrusive rules based on evolutional selection was proposed.
提出了一种基于进化选择的入侵规则自动学习算法。
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