摘要: The K−P factorization of a positive integer N is to write N as the sum of the P-th power of K positive integers. You are supposed to write a program t 阅读全文
posted @ 2018-08-20 23:46 lypbendlf 阅读(226) 评论(0) 推荐(0) 编辑
摘要: There is a classical process named partition in the famous quick sort algorithm. In this process we typically choose one element as the pivot. Then th 阅读全文
posted @ 2018-08-20 19:19 lypbendlf 阅读(163) 评论(0) 推荐(0) 编辑
摘要: 1.学习大数据集 图1.学习大数据集 当数据集量为m=1亿时,进行梯度下降将会花费较大时间。 可以使用小量数据集进行训练,然后得出学习曲线。 左图是高方差,右图是高偏差。 总之是要通过高效的学习算法来进行大数据学习。 2.随机梯度下降 图2.批梯度下降 假设是美国人口普查的数据,m=3亿,如果需要每 阅读全文
posted @ 2018-08-20 12:08 lypbendlf 阅读(152) 评论(0) 推荐(0) 编辑
摘要: Mooncake is a Chinese bakery product traditionally eaten during the Mid-Autumn Festival. Many types of fillings and crusts can be found in traditional 阅读全文
posted @ 2018-08-20 11:33 lypbendlf 阅读(118) 评论(0) 推荐(0) 编辑
摘要: Behind the scenes in the computer's memory, color is always talked about as a series of 24 bits of information for each pixel. In an image, the color 阅读全文
posted @ 2018-08-20 10:30 lypbendlf 阅读(148) 评论(0) 推荐(0) 编辑