WARNING: Plotting with an 'unknown' terminal. No output will be generated. Please select a terminal with 'set terminal'

Question

i am following the great machine learning course given by Andrew Wu from Stanford. When I executed plot function in ex5 file, the octave cli command line reports the following w

Answer 1

I faced the same issue last night. The simplest solution I could find was to set terminal to qt from Octave.

setenv('GNUTERM','qt')

Now you can call plot as usual.