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®.

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5
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1answer
724 views

Web crawler that charts stock ticker data using matplotlib

I've built a web crawler using the BeautifulSoup library that pulls stock ticker data from CSV files on Yahoo finance, and charts the data using ...
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3answers
4k views

Orbital Trajectory simulator

I have written a simple program to do trajectory simulation in the Earth-Moon system, it still has a long way to go I am working on making it more class oriented and am looking into implementing a ...
5
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1answer
4k views

A matplotlib scatter function inside a for loop

This function is working exactly as I want, only, it's taking too long. For speed ups, I've tried to do as much as I can before the main for loop by declaring ...
6
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3answers
236 views

Energy curve plotter

I am not much experienced in Python, just write some small script. All my codes are procedural. They work fine, and I always check them with pep8. One of them is: ...
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2answers
210 views

Python object-oriented pipe cooling simulations

Here is my code simulating liquid in a pipe cooling under different conditions. How did I do approaching this in an object orientated way? Is there any way I can improve this code? ...
14
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1answer
601 views

Racetrack plotter

My Racetrack is just that. A Racetrack. You can't race it (yet) because I had trouble with collision detection, but I wanted to share it anyway. It creates a base polygon by using ...
2
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1answer
2k views

Generic plotting wrapper (around matplotlib)

I am experimenting with making my own re-usable libraries. Therefore, I decided to start with some of the plots that I generally use during development/debugging to check what is actually inside my ...
13
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1answer
668 views

A big “Game of Life”

Our quest: Create a big simulation for Conway's Game of Life, and record the entire simulation history. Current Approach: Cython is used for an iterate method. The ...
8
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2answers
2k views

Python program to check if a set of points is at land or at sea

I have written a program that divides an geographical area up in cells with size 0.002 degrees longitude by 0.001 degrees ...
7
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1answer
97 views

Outputting scatter plots [closed]

I have written a python function that outputs scatter plots using Matplotlib after processing the data a little. It works but it's painfully slow. I was wondering if anybody had any suggestions as to ...
13
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2answers
790 views

Numerics for a game theory calculation using expected utility

I am trying to replicate Bruce B. de Mesquita's (BDM) results on political game theory for prediction. Based on where actors stand on issues, their capabilities, salience, BDM's method attempts to ...
5
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1answer
132 views

Charting daily balance

I have been trying my hand at Python lately. I have been able to look at code examples and create a custom application that queries a Microsoft SQL Server, pulls out two columns (date, balance) and ...
4
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2answers
643 views

Calculating doubling times from data points

In the code below, noisy data points with unique errors are created. From this, an exponential function is fitted to the data points, and then doubling times (10 unit windows) are calculated. I'm ...
6
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2answers
199 views

Covering array scraper and sorter

A covering array is an \$N \times k\$ array in which each element is a from a set of \$v\$ symbols, and for every \$t\$ columns, every possible set of \$v^t\$ choices of the symbols appears at least ...
3
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1answer
1k views

Drawing a cloud of points

I decided that it would be nice to write some code to draw a cloud of points. Of course my first thought was to draw some random points but the result is not cloud-ish, it is well... random. In the ...
11
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1answer
2k views

Modified Taylor diagrams

There is a type of diagram summarizing how well predictions from numerical models fit expectations; one obvious use case is comparing machine-learning regression models. Modified Taylor diagrams are ...
10
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2answers
3k views

Predator Prey Simulation

Below is a simple random walk predator prey simulation that is optimized to the best of my abilities. I would love to hear about any improvements that can made. ...
10
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1answer
298 views

Visualize Parts of Song as Analyzed by Echonest

This is the a bit of code that works with Echonest API's pyechonest and remix libraries combined with matplotlib.pyplot to offer a simple visual representation of the start and end "parts" of a music ...
1
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1answer
411 views

Linear regression with visualization

I have created a small script that: Creates a lot of random points. Runs a small brute force search to find a rect that has a low error, that is a good fit for the data. Runs a linear regression on ...
4
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2answers
2k views

Matplotlib-venn and keeping lists of the entries

Having come upon the wonderful little module of matplotlib-venn I've used it for a bit, I'm wondering if there's a nicer way of doing things than what I have done so far. I know that you can use the ...
1
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1answer
3k views

Colorbar for Matplotlib 3D patch plot

I am trying to make a 3D grid plot in Python using Matplotlib. The grid consists of hexahedral cells (with qudrilateral surfaces). The surfaces should be colored according to their height, that is: ...
3
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1answer
750 views

Plotting many images at once in matplotlib

I am using numpy and matplotlib to do a statistical simulation. The simulation itself is pretty fast thanks to numPy vectorizatio, however the plotting is slow since I still use a ...
7
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1answer
2k views

Optimizing very simple piece of “Game of Life” code by taking advantage of NumPy's functionality

Here is the code as it stands right now: ...
6
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1answer
786 views

Prepare data for a contour plot with matplotlib

My question concerns the following Python code which is already working. As far as I have seen, there are very elegant solutions of compacting code. Do you have any ideas on how to make the following ...
12
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1answer
12k views

Time and temperature displaying program for Raspberry Pi

This program displays either the time, current temperature, 12hr graph of temps, 24 hr graph of temp or a week's graph of temps. Selection is based on user input of one of the GPIO pins. Please ...
2
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1answer
700 views

Reading from a file and connect all data in one big data than to use generators

Is there better way to read from a file and connect all data in one big data than to use generators? At the moment, I do the following: use generators to read data from files. use NumPy to pack all ...
5
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2answers
298 views

Social network evolution

I am writing a piece of code which models the evolution of a social network. The idea is that each person is assigned to a node and relationships between people (edges on the network) are given a ...

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