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基于python的神经网络与机器学习姓名：张博奇学号：2014301020063班级：物基一班 摘要：本文利用BP算法思想构建二层神经网络和更复杂的三层神经网络，训练神经网络根据输...
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Exercise_13：Frequency Spectrum of Waves on a StringAbstract In this exercise I focus on waves on a string and study the spe...
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Exercise_12：Electric Potential and FieldsAbstract This exercise is about electric potential and fields.Compared w...
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Exercise_11：Chaotic Tumbling of HyperionAbstract In this exercise, the motion of Hyperion will be discussed acco...
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Exercise_10：The precession of the perihelion of Mercury.Abstract In this chapter we focus on the solar system.My exercise are ab...
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Exercise_09:The Billiard ProblemAbstract This time there are examples about chaos in our daily life. We ...