def METHOD_NAME(p, t):
    """Model for bleach decay when the rate is dominated by dye-dye interactions.
    The equation (~ 1/t) is a solution to a differential equation of the form:
        dN/dt = -k*N^2
    The parameters are:
        A0 - The initial intensity
        k - the rate constant
        b - a constant background
    Note that the 1/t curve is shifted to be 1 at t=0."""
    A0, k, b = p
    return A0/(t/k + 1) + b