sig
type dsmat = Dense.dsmat
val plot : Plot.dsmat -> Plot.dsmat -> unit
val plot_fun : (float -> float) -> float -> float -> unit
val scatter : ?marker:char -> Plot.dsmat -> Plot.dsmat -> unit
val histogram : ?bin:int -> Plot.dsmat -> unit
val mesh : Plot.dsmat -> Plot.dsmat -> Plot.dsmat -> unit
end