MXNET deep learning framework-01-ndarray most basic use (data structure)

The most basic use of ndarray in mxnet Recently, I was learning the deep learning framework of mxnet. As the saying goes, "a good memory is better than a bad pen". Now, I will record the learning process and content so that I can review it at any time. PS: on my laptop, I installed the mxnet ...

Posted by xionhack on Sun, 15 Mar 2020 03:34:02 -0700

Python starts from scratch - renovation of the blog project on the official website from 0

Verify the Python blog from 0 on, and I don't know what I want to verify.Write whatever you think.First set up the official blog.Record a hole in the middle. Official address 1. Preparation: Tools: pycharm+Anacondar Environment: Django3+python3.8 2. Create a project: pycharm->file->new project ...

Posted by Quinton1337 on Sat, 14 Mar 2020 18:29:40 -0700

User module creation for python framework Django real-world mall project

Create User APP There will be multiple applications throughout the project and they need to be stored in a separate file package, so create a new apps directory to manage all the sub-applications. Wear-through users application under apps package directory python ../../manage.py startapp users At this ...

Posted by discostudio on Mon, 09 Mar 2020 20:55:51 -0700

When the LPR rate comes, should we change our mortgage?

According to the announcement of the people's Bank of China, the conversion of pricing benchmark for stock floating rate loans was started as scheduled on March 1, 2020. According to the regulations, the lender of stock floating rate housing loan can choose fixed interest rate or floating interest ra ...

Posted by wilburforce on Wed, 04 Mar 2020 03:34:06 -0800

[Python data visualization] Matplotlib learning notes

[Python data visualization] Matplotlib learning notes (1) Introduction: Matplotlib is a Python 2D drawing library, which generates publishing quality graphics in various hard copy formats and cross platform interactive environments. With Matplotlib, developers can generate graphs, histograms, power ...

Posted by jwilley on Sat, 22 Feb 2020 06:33:43 -0800

(Python 3) opencv camera calibration

Preface The process of mapping coordinate points (in meters) in 3D world to 2D image plane (in pixels) can be described by a geometric model. There are many kinds of models, the simplest of which is called pinhole model. In order to get a good imaging effect, we add a lens in front of the camera. Th ...

Posted by guido88 on Sun, 16 Feb 2020 05:10:09 -0800

Introduction to Python neural network (handwritten digit recognition)

1.1 personal records ① Using Python 3.7 ② The editor is pycharm (I don't think it's easy to use, many libraries will fail directly, and print can't save - complaints of lazy cancer), the solution. For example, scipy, please download pip install scipy in cmd. imshow () does not show the problem of imag ...

Posted by David Rech on Sat, 08 Feb 2020 09:07:01 -0800

python machine learning practice -- decision tree algorithm in algorithm chapter (learning process and learning route are suitable for beginners)

Traditional machine learning has a lot of algorithms. The KNN that I sorted out in my last article is a kind of algorithm. The decision tree that I will talk about in this article is also a very important algorithm. Of course, it should be explained in advance that these algorithms also have a lot of sm ...

Posted by iantresman on Fri, 07 Feb 2020 06:46:08 -0800

Solve the problem that the installed module cannot be import ed

System: windows 10 Tools: python 3.7, pycharm, anaconda Problem: numpy cannot import First, check where the environment corresponding to your pycharm s interpreter is and whether there is any numpy package installed in it. Here I am in the base environment. In the anaconda prompt window, enter ...

Posted by enoyhs on Sun, 02 Feb 2020 22:45:58 -0800

How to solve the minimum triple distance in 8python

Title Description: Given three ascending integer arrays a[l], b[m], c[n], please find an element in each of the three arrays to minimize the distance between the triples. The definition of triple distance is: suppose a[i], b[j], c[k] is a triple, then the distance is: Distance=max(| a[i] - b[j] |,| a[ ...

Posted by metkat on Wed, 29 Jan 2020 05:06:26 -0800