octave: X11 DISPLAY environment variable not set octave: disabling GUI features GNU Octave, version 4.2.1 Copyright (C) 2017 John W. Eaton and others. This is free software; see the source code for copying conditions. There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Octave was configured for "x86_64-pc-linux-gnu". Additional information about Octave is available at http://www.octave.org. Please contribute if you find this software useful. For more information, visit http://www.octave.org/get-involved.html Read http://www.octave.org/bugs.html to learn how to submit bug reports.

octave: X11 DISPLAY environment variable not set octave: disabling GUI features GNU Octave, version 4.2.1 Copyright (C) 2017 John W. Eaton and others. This is free software; see the source code for copying conditions. There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Octave was configured for "x86_64-pc-linux-gnu". Usage: octave [options] [FILE] Options: --built-in-docstrings-file FILE Use docs for built-ins from FILE. --debug, -d Enter parser debugging mode. --debug-jit Enable JIT compiler debugging/tracing. --doc-cache-file FILE Use doc cache file FILE. --echo-commands, -x Echo commands as they are executed. --eval CODE Evaluate CODE. Exit when done unless --persist. --exec-path PATH Set path for executing subprograms. --force-gui Force graphical user interface to start. --help, -h, Print short help message and exit. --image-path PATH Add PATH to head of image search path. --info-file FILE Use top-level info file FILE. --info-program PROGRAM Use PROGRAM for reading info files. --interactive, -i Force interactive behavior. --jit-compiler Enable the JIT compiler. --line-editing Force readline use for command-line editing. --no-gui Disable the graphical user interface. --no-history, -H Don't save commands to the history list --no-init-file Don't read the ~/.octaverc or .octaverc files. --no-init-path Don't initialize function search path. --no-line-editing Don't use readline for command-line editing. --no-site-file Don't read the site-wide octaverc file. --no-window-system, -W Disable window system, including graphics. --norc, -f Don't read any initialization files. --path PATH, -p PATH Add PATH to head of function search path. --persist Go interactive after --eval or reading from FILE. --silent, --quiet, -q Don't print message at startup. --texi-macros-file FILE Use Texinfo macros in FILE for makeinfo command. --traditional Set variables for closer MATLAB compatibility. --verbose, -V Enable verbose output in some cases. --version, -v Print version number and exit. FILE Execute commands from FILE. Exit when done unless --persist is also specified. Additional information about Octave is available at http://www.octave.org. Please contribute if you find this software useful. For more information, visit http://www.octave.org/get-involved.html Read http://www.octave.org/bugs.html to learn how to submit bug reports.