These days, I'm following the machine learning course in Coursera conducted by Andrew Ng. In this course, the most important thing is the exercises. Since I'm on Linux platform with an Ubuntu 16.04 version, I installed Octave for this work as follows.
sudo apt-get update
sudo apt-get install octave
The latest Octave version on Ubuntu 16.04 repositories is 4.0.0. However, while working on the exercise of this course, I realized that this version has some problems which make it unsuitable to use with the sample Octave scripts provided in the course. The advice was to use a higher version of Octave than 4. In order to do that, we have to add a new PPA to the system as follows.
sudo add-apt-repository ppa:octave/stable
sudo apt-get update
sudo apt-get update
Now, let's remove the whole previous Octave version and install from the beginning with the new PPA.
sudo apt-get remove octave
sudo apt-get autoremove
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install octave
Now, the version we get is the latest version in the new PPA. You can check it by first starting Octave and typing "version" on the prompt. The version I got was Octave 4.2.1.
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