Questions tagged [matplotlib]
Matplotlib is a plotting library for Python, built on NumPy and often used interactively with IPython. Its compact "pyplot" interface is similar to the plotting functions of MATLAB®.
179 questions
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Slack User Interaction Graph – Collaboration Topology
I’ve written a small Python module to generate mock Slack workspace data, build a user–user interaction graph, and surface complementary collaborators based on skill sets.
The key features are:
Data ...
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Implementing a joint differential equation and eigenvalue solver
I've written a Python script to solve a system of coupled differential equations and then use the results to solve an eigenvalue problem. The full problem is:
\$\frac{d^2}{dr^2} K(r) = \frac{K(r)}{r^2}...
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matplotlib color N-slope-normalization
Based from the source code of the TwoSlopeNorm color normalization of matplotlib, I tried to implement a more general normalization that can handle any number of &...
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Collatz conjecture plots (python)
I have tried to improve my code with the suggestions I recieved in my old question about Collatz conjecture
Here is the new code:
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Plotting Collatz conjecture values - Python
I am writing a program to display the behavior or certain seeds when you apply the Collatz conjecture algorithm to them.
I would like to know what I should change and also if there is a way to see ...
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Optimizing Multiple Subplot Visualization and Navigation in Matplotlib
I have implemented a class in Python using Matplotlib for visualizing multiple subplots along with navigation buttons to move between different subsets of data. Each subplot displays a contour plot ...
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pyqt6 UI for displaying streaming data to two plots and an image display
So I have a large application that I've been writing. One part of that application is responsible for displaying images taken from a camera and plotting two graphs.
I've successfully stripped out the ...
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Extending die roll simulations for complex data science tasks
I've developed a Python script that simulates die rolls and analyses the results. I'm now looking to extend and modify this code for more complex data science tasks and simulations.
Is this code ...
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Simulated Annealing to the Travelling Salesman Problem: plotting graph of temperature vs. cost and animating using cv2
I am implementing Simulated Annealing to the Travelling Salesman Problem, plotting a graph of temperature (x axis) and cost (y axis) and animating using cv2.
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Change the appearance of a log graph with two x axes
I would like to improve the overall look and feel of the two log graphs generated by the Python code below. The first graph represents the optimized methods while the second graph represents the ...
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Simulate evolution of a group of cells
The following code simulates the (simplified) concept of evolution of cells. They can reproduce, grow older and have a fitness which modifies their chance of survival. Using matplotlib, graphs are ...
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Plotting correlation matrix with Seaborn and pandas
I try to plot the correlation matrix of a Pandas DataFrame. As the diagonal elements are always ones, and the matrix is symmetrical, so I can get rid of most than a half of the squares without loosing ...
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Plot the frequency of occurrence, using shortest string as bounds
Preface: Before anyone suggest using pandas, no I don't want to use pandas, only pure python please.
The concept of my code is quite simple, given some list of strings in a text file formatted as such ...
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Plotting determinant probabilities
This is a fun exercise that tries to answer the following question: if the elements from a square matrix are randomly chosen from 0 to 9, is it more like that the determinant would be even or odd?
I'm ...
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Create charts after querying database
I'm at the end of the IBM Data Analyst course, and I wanted to ask for a rating of a piece of code I wrote as a solution to its exercises from the final chapter. I know I could write it on the forum ...
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Plot time windows based on interested value
I use the following code to identify some interested values into a dataframe and them plot a time window before and after that value appeared. It works very well, but I would like to know if there is ...
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Decorator implementation around xarray.open_dataset
If you would like to download some grib data for yourself, the script below will pull girb data from the google api over a date range at an hourly interval.
Extract some hrrr grib2 data
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Python fractal tree generators
I wrote the scripts several days ago, they do exactly what I intended, but the performance is not very good, I am still stuck on for loops and don't know how to vectorize things, I wrote both scripts ...
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Colored bar plots with confidence intervals
I needed to create a bar plot that show:
the mean from some series;
them 95% confidence interval; and,
bars might be colored blue if they are definitely above this value (given the confidence ...
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A Python script that creates n-flakes
I have written a simple Python script that generates n-flakes using matplotlib.
Wikipedia article on N-flake.
I wrote two functions, one function generates pentaflake, the other generates hexaflake, I ...
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A collection of Python functions that fill a given region with rectangles
These are what I was working on in the last few days, I wrote a bunch of functions that fill a given region with rectangles of different colors.
The functions can:
Randomly split a region into sub ...
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Compute and plot a 2D vector field with radial symmetry in Python
I computed a 2D vector field \$\mathbf{U} = (u(x,y), v(x,y))\$ with radial symmetry, parametrized as \$(u,v) = a(r) (x,y) + b(r) (-y,x)\$, where \$a(r), b(r)\$ are given as solution of an IVP which I ...
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A Python 3 script that generates art using matplotlib
I am always super interested in both science and art, science and art are two different ways to describe the objective reality, they are two sides of the same coin, in many areas they overlap, and ...
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Trouble with rendering speed of the animation of a simulation?
The following code is a conversion from some old java I wrote to python.
It shows the beginnings of a simulation of an ant colony.
I am finding the animation speed very slow - and I'm wondering if I ...
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Interactive Gundam using only Matplotlib
The code below plots a background image (sky) and then a Gundam sprite using Matplotlib. It also creates 4 buttons with obvious purposes.
The Gundam class stores 2 ...
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Auto-fitting text into boxes in matplotlib
Task
I tried to code a treemap function in matplotlib, and one of the challenges is auto-fitting text into boxes of different sizes in the treemap, similar to R's package ggfittext.
My Code
My ...
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Modeling global warming with a sinusoidal fit in Python
I would like to model global warming from temperature records recorded daily from June 1920 to October 2019 in Montélimar on Python. To do this, I would first like to model these seasonal variations ...
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Calculating quantiles of timeseries data and then create a "fanplot"
My code is working properly, but I am looking for better approach in the calculation of quantiles and the finding of the data in the dataframe.
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Collatz conjecture with plots
I have an assignment where I write a Collatz Conjecture program for a series of starting values from 1 to N and make two plots: number of iterations vs starting value and computed numbers vs starting ...
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Path of a particle in a non-uniform B field
I have completed my project which simulates the path of a particle trapped in a device known as a magnetic mirror. I would like your thoughts and improvements on my implementation.
Here is the code:
<...
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Student report card management Python program
The program is designed to take data from a MySQL database, using mysql-connector-python, and print it as a table in Python using the texttable module. The program also plots charts based on the data ...
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RadioButtons with round circles
I was struggling to make the RadioButtons widget look presentable. Either the circles were not round, or the frame had a totally wrong shape, or both (see pictures below, and also this question on SO)....
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Implementing histogram in python
I was trying to implement my own version of matplotlib's hist function and I came up with this:
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Plot a simple scatter plot graph with two additional solid lines
I have been coding in Python for a number of years now. I've always felt that Matplotlib code takes up a lot more lines of code than it should. I could be wrong.
I have the following function that ...
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GUI that reads data and generates/ saves charts
I have a program that uses pandas to read csv files and then generates and saves graphical charts. I have been trying to follow the SOLID principles so I have tried to seperate responsibilities.
So ...
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Animating Lissajous curves with Python and matplotlib's animation library
I'd like to plot an animation of Lissajous curves using Python and matplotlib's animate library. I really do not have a lot of experience with Python, so rather ...
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3d Cistercian numbers mini game (MatPlotLib), inputting similar xyz coordinates 50 times, how to streamline?
Dear coding black belts,
My code is working but seems clunky.
Take a random number from 1 to 99,999
Display it in 3D in a modified version of the Cistercian numerals from 13th century monks (adding ...
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Removing Loop from Numpy XOR
I have been playing around with numpy and matplotlib.
My little project was to create a scatter plot ranging from -1 to 1 on both X and Y, but where the shading is done with the XOR scheme.
The ...
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Modified Gantt Chart
this is my very first pandas/matplotlib code and I would be grateful if you can review my code and share your thoughts or ideas for improvement. Please focus on code, not the features of resulting ...
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Manipulating Pandas Dataframe with vaccination data from CSV to display on matplotlib
I have some code that manipulates a Pandas Dataframe containing Covid-19 vaccine data and displays it on Matplotlib.
The data is here: https://covid.ourworldindata.org/data/owid-covid-data.csv (...
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Slow render of a graph path using python matplotlib animation
I am computing shortest paths of graphs using Python Networkx and Matplotlib. I'm focused on animating the route inspection problem path in particular here.
My goal is to smoothly render such ...
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scatter subplot for iris dataset
I'm new to data science. I wrote this script for plotting all different kinds of iris data set scatter plot. trying not to plot something with itself . how can I optimize my code ?
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Downloading COVID data and uploading graphs
So this is a project I have been working on for the last few weeks. Just started learning Python. Started out with bash scripting and got the itch to learn more. Anyway code fetches covid-19 data from ...
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Hardware driven data processing and ploting in need of better control flow
This is code for a measurement setup that receives a steady stream of UDP data, finds the trigger in one channel and operates on the data in the other channel to enhance the signal and remove noise, ...
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Industrial Practices for Time-Series Forecasting
I have code here for predicting temperature across months. This is the dataset that I was using: https://www.kaggle.com/sumanthvrao/daily-climate-time-series-data
I used a SARIMA model, and looking at ...
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Spectrograph using array-of-slice-references
I've written a working and complete proof of concept that shows a spectrograph in Matplotlib. I want to nail down this proof of concept before I continue with development, and I'm not thrilled with ...
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TicTacToe: If an error messages do not appear straight away
I am fairly new to Python and have tried to create a tic tac toe game that is completely automatic, where you can see if a player1 has an advantage if you let it ...
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Covid-19 World Case Report Beta 0.1
I am a self-learned programmer and this is my first program. I would really appreciate any critique on my approach.
The program should automatically download the who data file to the folder these ...
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What do you think about my version of matplotlib subplots of filled contours with a "synchronized" color scheme?
Dear Python VIS community.
Imagine the following situation:
You ran an experiment in an earth system model (ESM) where you altered some input parameters relative to a control run of the same ESM. Now ...
