After starting Octave, enter at the command prompt toggle_octplot
. This will unactivate gnuplot. For future plots, in this Octave session, OctPlot will be used.
Function file: cla()
Clear rendered objects in actual figure.
Function file: clf()
Clear rendered objects and close actual figure.
Function file: h = gca()
Return handle actual figure to variable h.
Handle - Handle, a kind of smart pointer (smart pointer is an abstract data type that simulates a pointer while providing additional features, such as automatic garbage collection or bounds checking), a reference to a position in computer memory.
Function file: h = gcf()
Return handle actual figure to variable h, if h doesn't exist, it create.
Built-in command: hold ARGS
If we want to view more than one graph, we can use command hold on
, which reserve, that next drawing doesn't clear previous drawing. So we can draw set of commands and plots to one figrue. To cancel this use command hold off
Built-in function: ishold
This function serve to detection, if is command hold on
active. It returns to variable ans value 1, if command active and 0 if command inactive.