第二章 希腊化——罗马科学2.1希腊数理天文学的起源希腊天文学的基本动机来自于拯救现象(将纷乱的现象规整)欧多克索斯——同心球模型,一个行星做多个匀速圆周运动,叠加成为复杂的运动,同心球模型不仅解决了柏拉图的拯救现象,同时奠定了希腊天文学的基本模式2.1希腊数理天文学的起源(习题)2.2希腊数理天文... ...
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其他好文 时间:
2018-10-20 12:14:53
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[TOC] I. 基础知识 在对CNN进行概览之前,请先务必清楚以下问题: 机器学习基础知识: 1. 什么是“全连接”? 2. 前向传播和反向传播各自的作用是?为什么需要反向传播? 3. 什么是感知机?其致命缺陷是什么? 4. 常见的激活函数有哪些?“激活”了什么特性?(非线性,最直接解决了亦或问题 ...
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2018-10-19 00:01:01
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Given n points in the plane that are all pairwise distinct, a "boomerang" is a tuple of points (i, j, k) such that the distance between i and j equals ...
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2018-10-11 18:49:07
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You have a list of points in the plane. Return the area of the largest triangle that can be formed by any 3 of the points. Example: Input: points = [[ ...
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2018-10-06 14:32:55
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Description Memory is performing a walk on the two-dimensional plane, starting at the origin. He is given a string s with his directions for motion: A ...
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2018-10-05 19:02:01
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Given a set of points in the plane. the convex hull of the set is the smallest convex polygon that contains all the points of it. https://www.geeksfor ...
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2018-10-05 12:10:00
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There is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0, 0) after it ...
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2018-10-01 11:53:24
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Monocle: Dynamic,Fine Grained Data Plane Monitoring 论文来源:CoNext 发表时间:2015 解决问题及所做贡献:Monocle:检测交换机中硬件软件的的错误,检测流表和瞬间的流表变化 相关工作: Anteater, HSA/NetPlumber ...
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2018-09-27 13:01:51
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Vocabulary focus 核心词汇 She is a receptionist. She answers the phone. She is a cashier She counts money He is a mechanic He fixes cars He is a custodian ...
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2018-09-27 00:05:57
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On a N * N grid, we place some 1 * 1 * 1 cubes that are axis-aligned with the x, y, and z axes. Each value v = grid[i][j] represents a tower of v cube ...
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编程语言 时间:
2018-09-24 13:39:58
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167