06 2017 档案
摘要：由 Tom Mitchell 提出，来自卡内基梅隆大学， Tom 定义的机器学习是，一个好的学习问题定义如下，他说，一个程序被认为能从经验 E 中学习，解决任务 T，达到性能度量值P， 当且仅当，有了经验 E 后，经过 P 评判，程序在处理 T 时的性能有所提升。 我认为经验e 就是程序上万次的自我
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摘要：William S. hart was, perhaps, the greatest of all Western stars, fro unlike Gary Cooper and John Wayne he appeared in nothing but Westerns. From 1914
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摘要：How it came about that snakes manufactured poison is a mystery. Over the periods their saliva, a mild, digestive juice like our own, was converted int
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摘要：It is fairly clear that sleeping period must have some function, and because there is so much of it the function would seem to e important. Speculatio
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摘要：There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface, or protect them from sharks by
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摘要：In the early days of the settlement of Australia, enterprising settlers unwisely introduced the European rabbit. This rabbit had no natural enemies in
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摘要：机考 收集信息 分类汇总 会计凭证 报表 财务会计 核算 确认 计量 记录 报告 监督 分类汇总信息
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摘要：In the organization of industrial life the influence of the factory upon the physiological and mental state of the workers has been completely neglect
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摘要：单调性 求 作变换：x=t/√2 化为正态分布的分布函数,再利用正态分布函数表求值：原式=1/√∫[0,√2]e^(-t^2/2)dt= √π*1/√(2π)∫[0,√2]e^(-t^2/2)dt=√π*[Φ(√2)-Φ(0)]=√3.14159[0.9213-0.5]= 0.7467
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摘要：自然科学 俄国 另一个 欧洲 马恩关系 马克思 学术化
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摘要：BP 计算力 大的图景 从数据中来：规则 不要时间旅行 事件驱动
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