Programmer Think

1. Introduction of BP algorithm 1.1 Background Enlightened by the neural network in the human brain, computer simulation of the neural network in the human brain is used to realize machine learning technology of artificial intelligence. The bp algorithm is the most successful neural network algorithm to date. The bp algorithm can be used ...

I think it is the "secret" of learning Python well to lay a solid foundation and practice basic skills. Lao Tzu once said: the nine story platform starts from building soil. This article mainly uses some simple small examples to briefly describe the variables related to the basis of Python. It is only for learning and sharing. If ther ...

Sometimes you may have some crazy ideas and want to test your trading strategy. By using historical market data for backtesting, you can assess risk, profit and measure performance, so as to gain confidence in using this trading strategy. Of course, if you are a skilled programmer, you have no problem writing complex and heavily loaded programs ...

object-oriented programming object: represents a specific thing in the problem space of the objective world, and also represents the basic element in the solution space of the software system Object oriented programming (OP): it is not only a programming paradigm, but also a method of program development. 1. Class Class (clas) is the constru ...

catalogue 1, Install opencv Python 2, Prepare classifier 3, Code explanation 4, Operation results Appendix: summary 1, Install opencv Python It is recommended to directly install opencv Python using pycharm Open file - Settings - python interpreter - click + sign Search opencv python, click the installation package, and wait a mo ...

1 Preface The golden three silver four has just passed, and the autumn move is coming. In the busy and rolling season, the author once dreamed of grabbing all the positions in his favorite company with one click, and then breaking them one by one according to his own strengths and job hunting willingness to harvest a basket of offer s. In fact ...

1, Overview This project is a course design of mine. The course design requires a software that can realize the functions of Excel addition, deletion, modification and query and corresponding image addition, deletion, modification and query. Finally, it is required to be packaged into exe. Because of data confidentiality, I deleted the ...

come to the point In the process of automated testing, test results are generally sent to relevant personnel in the form of e-mail. Then, in Python, how to write code to send e-mail to the corresponding users? At the same time, there are different forms when sending e-mail, such as text, HTML, picture attachment, non picture attachment, etc ...

Where is the video memory used? Generally, when training neural networks, the memory is mainly occupied by network models and intermediate variables. The parameters of convolution layer, full connection layer and standardization layer in the network model occupy the video memory, while the activation layer and pooling layer do not occupy ...

The embedded system raspberry pie 3B realizes the acceleration of pytorch calculation through GPU General idea The cross compilation environment is a raspberry pi 3B docker imageUsing the open source GPU library on github QPULibInstall pytorch on raspberry pie and accelerate the process through cross compilationProvided via pytorch Interface ...