To uninstall octave-ltfat-common just follow these instructions.
sudo apt-get remove octave-ltfat-common
This will remove just the octave-ltfat-common package itself.
sudo apt-get remove --auto-remove octave-ltfat-common
This will remove the octave-ltfat-common package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for octave-ltfat-common then this will work.
sudo apt-get purge octave-ltfat-common
Or similarly, like this octave-ltfat-common
sudo apt-get purge --auto-remove octave-ltfat-common
|Maintainer||Debian Octave Group <firstname.lastname@example.org>|
|Description||Large Time/Frequency Analysis Toolbox (arch-indep files) time-frequency analysis, wavelets and signal processing. It is intended both as an educational and a computational tool. The toolbox provides a large number of linear transforms including Gabor and wavelet transforms along with routines for constructing windows|