Line styles are specified by the following properties:
linestyleMay be one of
"-"Solid line. [default]
Dashed line.
":"Dotted line.
"-."A dash-dot line.
"none"No line. Points will still be marked using the current Marker Style.
linewidthA number specifying the width of the line. The default is 1. A value of 2 is twice as wide as the default, etc.
© 1996–2018 John W. Eaton
Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies.
Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one.Permission is granted to copy and distribute translations of this manual into another language, under the above conditions for modified versions.
https://octave.org/doc/interpreter/Line-Styles.html