How can I draw two planes in same figure in GNU Octave?
$$ x + y + z = 1\\ 2x - y + 3z = 4$$
Thanks!
As @AnonSubmitter85 says in comments, use hold between the plot commands to plot in the same figure.
hold
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As @AnonSubmitter85 says in comments, use
holdbetween the plot commands to plot in the same figure.