def triangular_vegetation_index(Green, Red, Rededge):
    """
    Notes
    -----
    Based on the bands of Sentinel-2:

    .. math:: \text{TVI}= .5 (120(B_{06} - B_{03}) - 200(B_{04} - B_{03}))

    References
    ----------
    .. [1] Broge & Leblanc, "Comparing prediction power and stability of
       broadband and hyperspectral vegetation indices for estimation of green
       leaf area index and canopy chlorophyll density" Remote sensing of
       environment, vol.76 pp.156–172, 2000.
    """
    # Rededge B06 750, Red B04 670, Green B03 550
    TVI = .5* (120*(Rededge - Green) - 200*(Red - Green))
    return TVI