procedure plot
Plots the 1-dimensional vector y. If x is given, x versus y is plot, else the running number versus y is plot. ymin and ymax can be specified to set the plot range in the y axes. If symbol is given and >= -31, each point will be represented by a symbol, else the lines will be connected by a polyline. See "help pgpt" for a description of available symbols.
Syntax
plot [x, ] y [,title=string] [,xtitle=string] [,ytitle=string] [,symbol=integer] [, ymin] [, ymax] [, /xlog] [, /ylog] [, /noclose]
See also
pgplot_pgpt