Lecture 5 (greek)
In the original version of the slides, there was a numerical error in the 15th slide and a typo in the 4th slide, that also found their way to the video. Please look at the slides for the correct version.
Click https://drive.google.com/open?id=1CvJ-8uW1KjRmee8xPHlzMW00v5VD7U95 link to open resource.