
{{alias}}( x )
    Evaluates the ramp function.

    If `x >= 0`, the function returns `x`; otherwise, the function returns zero.

    Parameters
    ----------
    x: number
        Input value.

    Returns
    -------
    y: number
        Function value.

    Examples
    --------
    > var y = {{alias}}( 3.14 )
    3.14
    > y = {{alias}}( -3.14 )
    0.0

    See Also
    --------

