表2-2: NumPy实现的算术运算符 运算符 对应的通用函数 描述 + np.add 加法运算(即 1 + 1 = 2) - np.subtract 减法运算(即 3 - 2 = 1) - np.negative 负数运算( 即 -2) * np.multiply 乘法运算(即 2 \* 3 = ...
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其他好文 时间:
2020-01-03 21:22:53
阅读次数:
81
Given a linked list, rotate the list to the right by k places, where k is non-negative. Example 1: Input: 1->2->3->4->5->NULL, k = 2 Output: 4->5->1-> ...
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其他好文 时间:
2020-01-01 11:55:07
阅读次数:
52
吉布斯采样 (Gibbs Sampling) 首先选取概率向量的一个维度,给定其他维度的变量值当前维度的值,不断收敛来输出待估计的参数。具体地 1.随机给每一篇文档的每一个词 ww,随机分配主题编号 zz2.统计每个主题 zizi 下出现字 ww 的数量,以及每个文档 nn 中出现主题 zizi 中 ...
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其他好文 时间:
2019-12-31 17:07:00
阅读次数:
208
You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contai ...
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其他好文 时间:
2019-12-30 09:58:18
阅读次数:
102
一、概述 训练语料来源:维基媒体 https://dumps.wikimedia.org/backup index.html 汉语数据 用word2vec训练词向量,并用所学得的词向量,计算 pku_sim_test.txt 文件中每行两个词间的余弦距离作为两词相似度,并输出到文件中。 二、数据准备 ...
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编程语言 时间:
2019-12-27 23:35:37
阅读次数:
278
Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maxim ...
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其他好文 时间:
2019-12-17 13:28:04
阅读次数:
80
Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maxim ...
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其他好文 时间:
2019-12-16 13:29:17
阅读次数:
92
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path. ...
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其他好文 时间:
2019-12-16 09:34:47
阅读次数:
82
On a staircase, the i-th step has some non-negative cost cost[i] assigned (0 indexed). Once you pay the cost, you can either climb one or two steps. Y ...
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其他好文 时间:
2019-12-13 14:20:55
阅读次数:
92
Given a non-empty special binary tree consisting of nodes with the non-negative value, where each node in this tree has exactly two or zero sub-node. ...
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其他好文 时间:
2019-12-07 21:15:30
阅读次数:
99