xname change the name of the current graphics window

## Syntax

    xname(name)

## Arguments

name

  string, new name of the graphics window.

## Description

`xname` changes the name of the current graphics window.

## Examples

    xname("Empty graphic")
    x=-%pi*2:0.1:%pi*2;
    plot(x,sin(x))
    xname("sin(x) with x between -%pi*2 and %pi*2")