The application of Matplotlib in solving ordinary differential equation of Python 3 SCI

Python scientific calculation simply records several notes, uses SciPy to solve ordinary differential equations, and uses matplotlib to demonstrate in jupyter notebook. The following points need to be noted: odeint function provided by integration module On jupyter notebook of Anaconda 3 matplotlib 2D drawing to solve Newton's cooli ...

Posted by phpcodec on Thu, 13 Feb 2020 12:52:36 -0800

Task 1-1 linear regression notes

1, Explanation of linear regression model 1. What is a linear model Representation data can be described by linetype relationship. In the case of formulation, y=wx+b. The process of modeling is the process of finding w, b. However, due to the deviation of real data, unbiased estimation cannot be obt ...

Posted by Tr4mpldUndrfooT on Thu, 13 Feb 2020 04:31:10 -0800

Several ways of plotting subgraphs with matplotlib

This paper mainly uses matplotlib to draw multiple graphs. %matplotlib notebook import matplotlib from matplotlib import pyplot as plt plt.ion() %matplotlib tk from matplotlib import rcdefaults rcdefaults() import numpy as np import pandas as pd Method 1: use of plot.subplot (x, x, x) and fig.add_ X ...

Posted by host78 on Sun, 26 Jan 2020 10:33:33 -0800

Basic course of matplotlib

The original idea of doing this tutorial is: Although plt.plot(x,y) is a simple and convenient way, there are many detailed requirements for drawing tutorials involving academic paper, which need to further fine tune the pictures, and at this time, it needs to constantly Baidu Baidu, not to mention writ ...

Posted by fred2k7 on Sun, 26 Jan 2020 00:03:57 -0800

How does Python's super () work with multiple inheritance?

I'm a stranger to object-oriented Python programming, especially when it comes to multiple inheritance, and it's hard for me to understand the super() function (the new style class). For example, if you have something similar: class First(object): def __init__(self): print "first" class Second(object): def __init__(self): ...

Posted by ConnorSBB on Wed, 18 Dec 2019 02:15:16 -0800

Notes on data science and artificial intelligence technology

XIX. Data sorting (5) Author: Chris Albon Translator: Flying dragon Agreement: CC BY-NC-SA 4.0 Standardization column # Import required modules import pandas as pd from sklearn import preprocessing # Set chart inline %matplotlib inline # Create a sample data frame with an denormalized column data = {'score': [234,24,14,27,-74,4 ...

Posted by mingmangat on Sun, 01 Dec 2019 21:15:41 -0800

python common standard library

system interface sys module can view and add environment variables import sys sys.path >>['E:\\360MoveData\\Users\\Administrator\\Desktop\\PyTorch', 'E:\\anzhuang\\anaconda\\python37.zip', 'E:\\anzhuang\\anaconda\\DLLs', 'E:\\anzhuang\\anaconda\\lib', 'E:\\anzhuang\\anaconda', '', 'C:\\Users\\Administrator\\AppDat ...

Posted by toshog on Fri, 29 Nov 2019 13:34:09 -0800

python self study journal 9 -- select data structure

1. Write a program to read in a word list from the file, and print out the word set of all palindromes This palindrome is different from the one previously understood, for example: ['deltas','desalt','lasted','salted','slated','staled'] ['retainers','ternaries'] All words with the same letters are included in the palindrome word set According t ...

Posted by theoph on Mon, 04 Nov 2019 11:34:12 -0800

Data visualization: matplotlib

1. Introduction to Matplotlib Matplotlib is a Python 2D drawing library that can generate publication quality data in various hard copy formats and cross platform interactive environments. Matplotlib can be used for Python scripts, Python and IPython shell s, Jupyter notebooks, Web application servers, and four GUI toolkits. 2. matplotlib inst ...

Posted by Fataqui on Sat, 02 Nov 2019 07:32:39 -0700

python self study diary 5 - word game

It's better to record yourself or observe others' thinking from mistakes to right when learning python than only seeing the right answers 1. Judge whether there is letter "e" in the word“ Write a function has no e to return True when the given word does not contain the letter 'e' At the beginning, I wrote as follows: def has_no_ ...

Posted by NeverPool on Wed, 23 Oct 2019 11:58:30 -0700