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2019-08-13-托福tpo54-1

python

1.题目 The Salton Sea in California is actually a salty inland lake. The level of salt in the lake’s water—what scientists call its salinity—has been increasing steadily for years because the lake’s...

Posted by berlinfog on August 13, 2019

2019-08-07-托福tpo50-2

python

1.题目 Do you agree or disagree with the following statement? All university students should be required to take history courses no matter what their field of study is. Use specific reasons and ex...

Posted by berlinfog on August 7, 2019

2019-08-06-托福tpo51 2

python

1.题目 Do you agree or disagree with the following statement? Movies and television have more negative effects than positive effects on the way young people behave. Use specific reasons and exampl...

Posted by berlinfog on August 6, 2019

2019-08-05-托福tpo52 2

python

1.题目 Do you agree or disagree with the following statement? The rules that societies today expect young people to follow and obey are too strict. Use specific reasons and examples to support you...

Posted by berlinfog on August 5, 2019

2019-08-04-TF Object Detection API

python

TensorFlow object detection API应用 TensorFlow™ 是一个采用数据流图（data flow graphs），用于数值计算的开源软件库。节点（Nodes）在图中表示数学操作，图中的线（edges）则表示在节点间相互联系的多维数据数组，即张量（tensor）。它灵活的架构让你可以在多种平台上展开计算，例如台式计算机中的一个或多个CPU（或GPU），服务器...

Posted by berlinfog on August 4, 2019

2019-07-30-分类方法

python

2019-07-30-分类方法 1.主要内容 感知器模型 KNN 最近邻 决策树 贝叶斯分类器 SVM支持向量机 特征向量具有handcraft 以及CNN feature两种特征。 2.感知器模型 神经元超过阈值就被激活，有一个激活函数。发展历程： 人工神经网络的第一个里程碑是感知机perception， 这个名字其实有点误导， 因为它根本上是做决策的。 一个感知机...

Posted by berlinfog on July 30, 2019

2019-05-10-简单的python Weshare涨停板分析

python

简单的python Weshare涨停板分析 投资银行学的小组作业，使用 Weshare 做了一个简单的python分析，参考了以下链接： http://tushare.org/ https://www.cnblogs.com/sthv/p/6012838.html 主要学习到的有series以及dataframe格式的应用。 import tushare as ts import...

Posted by berlinfog on May 10, 2019

2019-05-10-托福作文

python

托福作文 1.开头 1.1调查 According to an Internet survey, almost 70% of people think that it is more important to keep old friends than it is to make new friends. I totally disagree with this idea. In m...

Posted by berlinfog on May 10, 2019

2019-05-03-5Multiple Movements

python

Multiple Movements Let’s see how our robot responds to moving multiple times without sensing! <img src=’images/uncertain_motion.png’ width=50% height=50% /> First let’s include our usual r...

Posted by berlinfog on May 3, 2019

2019-05-03-4Inexact Move Function

python

Inexact Move Function Let’s see how we can incorporate uncertain motion into our motion update. We include the sense function that you’ve seen, which updates an initial distribution based on wheth...

Posted by berlinfog on May 3, 2019

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