function repeat;

period 3;
start 0.2;
value
{
    type normalise;
    bounds (-1e6 1e6);
    value
    {
        type table;
        values
        (
            (0 0.1)
            (0.4 0.31)
            (0.8 0.59)
            (1.2 0.81)
            (1.6 0.95)
            (2 1)
        );
        outOfBounds zero;
    }
}

x0 -0.5;
x1 10;
nX 501;