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Reinforcement learning - from Q-Learning to DQN(Deep Q-Network) Reinforcement learning is a kind of learning that maps from environment state to action. The goal is to maximize the cumulative reward in the process of agent interaction with environment. This process can be explained as that at time t, the agent agent makes an action based on th ...

Python used to be so simple (5) Introduction to Python string data types and various operations (splicing, intercepting and escaping characters) A large part of the operations in Python are related to string operations. Whether it is data acquisition, data processing, and finally to the presentation of data, it is inseparable from the ...

Original link: http://www.juzicode.com/archives/6377 When visiting github, orange fungus found a fun Python library that can be used to make QR codes with background pictures or dynamic pictures. This library is also published on pypi and can be installed directly through pip: python -m pip install amzqr Import a module with the name "a ...

brief introduction Python is a very simple language. Python is an interpretive language that uses indentation alignment to organize code execution. 1, 6 standard data types: Number String List Tuple Sets Dictionary Where, Number String Tuple Sets is immutable data List Dictionart is variable data 2. Basic grammar: Operat ...

1, Title Huffman codec 2, Experimental purpose Master Huffman coding principle.Master the generation method of Huffman tree.Understand the implementation of data coding, compression and decoding output coding. 3, Demand analysis Initialization. Read the character set size n, n characters and N weights from the terminal, establish the Huffm ...

neuron    the most basic concept in deep learning: neuron, the popular neural network, is almost composed of neurons combined in different ways. A complete neuron is mainly composed of two parts, namely linear function and excitation function.    linear function:      y = wX + b       the formulas o ...

Title Description Xiao h went to the United States to participate in the blue bridge cup international competition. Little h's girlfriend found that little h left at 10 a.m. and arrived in the United States at 12 a.m., so she sighed, "now the plane flies so fast that it can get to the United States in two hours.". Little h was terri ...

Chapter 6: data coding and processing 6.1 reading and writing CSV data problem You want to read and write a CSV file. Solution For most data reading and writing problems in csv format, you can use csv library. For example, suppose you are in a place called stocks There are some stock market data in the csv file, like this: Symbol,Pric ...

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File operation 1. Text file The text file stores ordinary "character" text. The default is unicode character set (two bytes represent one character, up to 65536), which can be opened by Notepad program. However, documents edited by word software are not text files. 2. Binary files Binary files store the data content in "bytes&quo ...