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numpy基础

Posted on 2020-07-10
Words count in article: 3.2k | Reading time ≈ 15
numpy基础教程: https://www.youtube.com/watch?v=QUT1VHiLmmI numpy documentation: https://numpy.org/doc/stable/numpy-user.pdf What is NumPyNumPy(Numerical P ...
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度量和投影

Posted on 2020-07-07
Words count in article: 0 | Reading time ≈ 1
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Java基础2

Posted on 2020-07-05
Words count in article: 11.2k | Reading time ≈ 45
Java基础2ClassesClasses and Objects我们常常混淆 类和对象的概念。我们可见简单的将类看作是一个模板。比如说我定义了一个车的类。这个类里面有一些属性(Fields)和一些方法(Methods): 而 Object 是 Class的实例。比如说 Car1,Car2,Car ...
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离散数学之图4

Posted on 2020-07-03 | In 图
Words count in article: 981 | Reading time ≈ 3
离散数学之图4我们在购物的时候,常常会收到宝贝推荐,那么网站是根据什么原理来推送给我们的呢? 我们需要了解协同过滤的概念. 也就是我们需要衡量两个对象之间的距离、亲和度 Community StructuresDefinitionCommunity structure indicates that ...
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数据科学与工程数学基础1

Posted on 2020-07-01
Words count in article: 7.6k | Reading time ≈ 30
第二章:向量与矩阵基础 课程 :http://mooc1.chaoxing.com/nodedetailcontroller/visitnodedetail?courseId=208843967&knowledgeId=282612421 第二讲:向量与矩阵的基本概念与运算2.1向量与矩阵的 ...
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Java基础1

Posted on 2020-07-01
Words count in article: 4.9k | Reading time ≈ 22
Java基础1Getting StartedAnatomy of a Java ProgramJava的 函数 我们常常把第一个花括号与函数声明放在一行。但是C,C#常常是另起一行 123void sendEmail(){} 每一个Java程序都必须有一个main函数,也就是主函 ...
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Linux基础

Posted on 2020-06-30
Words count in article: 9.3k | Reading time ≈ 37
Linux基础System Access and File SystemCommand Prompts 命令提示符 当我们的终端没有出现命令提示符的时候,说明终端在运作或者卡住了,这时候我们需要用 ctrl+c 来 get our prompt back.就像下面这张图。当我们ctrl+c的时候,命 ...
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离散数学之图3

Posted on 2020-06-30 | In 图
Words count in article: 1.5k | Reading time ≈ 6
离散数学之图3Euler Paths and CircuitsDefinition定义:An Euler circuit in a graph G is a simple circuit containing every edge of G. An Euler path in G is a simp ...
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离散数学之图2

Posted on 2020-06-30 | In 图
Words count in article: 2.8k | Reading time ≈ 13
离散数学之图2Representing GraphsAdjacency Lists邻接表 Way i: One way to represent a graph without multiple edges is to list all the edges of this graph.Way ii: ...
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reactHooksWithD3

Posted on 2020-06-29
Words count in article: 2.1k | Reading time ≈ 9
Using ReactHooks With D3 教程: https://www.youtube.com/watch?v=hR8xtl_IbCw&list=PLDZ4p-ENjbiPo4WH7KdHjh_EMI7Ic8b2B&index=3&pbjreload=101 源码: ...
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Jason

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