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RSS订阅原创 C++ basics
C++菜鸟教程Object oriented programming (OOP):C++ is completed designed for Object oriented programming: Building Object with FunctionsEncapsulation: Building Object, could be private, publicInherit.Polymorphism
2021-11-28 22:16:11
585
原创 SQL Basics
SQLSQL Basicsselect A renamedA from chartselect calculationwherewhere name like '_t%'order bygroup byhavingFunctionsPartitionJoinSQL*50Only searching operation for data engineering.SQL BasicsSQL零基础入门笔记.SQLZOO.Programming order: select - from - where -
2021-10-27 23:41:52
453
原创 Model Evaluation Criterion 模型评判标准
Model Evaluation CriterionThis article records methods of model evaluation I have learned so far.TP/FP/FN/TNWhen faced with binary classification problems, we only have 2 options, e.g. dog or cat, and we assume dog is positive while cat is negative.The
2021-10-18 19:20:57
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原创 Neural Network with only Numpy sloves XOR 只用numpy的神经网络解决异或问题
Neural Network with only Numpy sloves XORcopy and learnfrom: 神经网络，BP算法，计算图模型，代码实现跟详解.Copying with a few correction.This article helps you and me understanding the basic concept of NN and its engineering implementation with only Numpy.import numpy as n
2021-10-18 15:21:23
288
原创 Sorting Algorithm in Python 排序算法-Python
Sorting Algorithm in Pythoncopy and learnQuick sortPython实现快速排序算法.def quick_sort(lists,i,j): if i >= j: return list pivot = lists[i] low = i high = j while i < j: while i < j and lists[j] >= pivot:
2021-10-17 21:22:42
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原创 Amount of Information - Formula express of Entropy - KL Divergence - Cross Entropy 信息量-熵的公式-KL散度-交叉熵
信息熵（信息量） - 熵的公式表达 - KL散度信息熵（信息量）熵的公式表达合理的创建标题，有助于目录的生成如何改变文本的样式插入链接与图片如何插入一段漂亮的代码片生成一个适合你的列表创建一个表格设定内容居中、居左、居右SmartyPants创建一个自定义列表如何创建一个注脚注释也是必不可少的KaTeX数学公式新的甘特图功能，丰富你的文章UML 图表FLowchart流程图导出与导入导出导入信息熵（信息量）看新闻，看论文的时候为什么并不是每篇都同样重要，有的听完头皮发麻，有的就听君一席话如听半席话。。。
2021-10-15 18:33:24
318
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