The specific behavior of the backend toolkit may be modified using the following utility functions. Note: Not all functions apply to every graphics toolkit.
Query or set the name of the program invoked by the plot command when the graphics toolkit is set to "gnuplot".
Additional arguments to pass to the external plotting program may also be given. The default value is "gnuplot" with no additional arguments. See Installation.
See also: graphics_toolkit.
© 1996–2018 John W. Eaton
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https://octave.org/doc/interpreter/Customizing-Toolkit-Behavior.html