To install pyibex enter in a terminal :
$ python -m pip install pyibex
If you don't have any python install or you faced troubles with your existing installation, we recommend using Miniconda. The download link and the installation instructions are available at miniconda website
See also Installation manual for more details.
To drawn results, we encourage to use VIBes-viewer which provides a simple and fast GUI tool for people working with intervals. The last releases for Window, OSX, and Linux are available here.
Do not forget to install the python interface with
$ python -m pip install vibes
The documentation and a quick introduction can be found here.
Copy the code on the right into "example.py" and enter in a terminal:
# launch before vibes viewer $ python ./example.py
You should get this figure which corresponds to set of all (x,y) such as f(x,y) < 0
from pyibex import * from vibes import vibes # define the function (x,y) -> sin(x+y) f = Function('x', 'y', 'x*cos(x-y)+y') # build the Forward / backward separator f(x,y) < 0 sep = SepFwdBwd(f, [-oo, 0]) # define the initial domain [-10,10]x[-10,10] X0 = IntervalVector(2, [-10, 10] ) #initialize vibes display vibes.beginDrawing() # run the set inversion algorithm pySIVIA(X0, sep, 0.1) vibes.endDrawing()
Examples and tutorials
a free MOOC focused on Interval Analysis with application to parameter estimation, robot localization and SLAM