$\displaystyle y = A_o \exp\left[-\frac{(x-x_o)^2}{2\sigma^2}\right] + C$
PARAMETER NOTE VALUE ERROR
Ao START:3.50e+04 3.6927358129e+04 5.5516273877e+02
xo START:7.20e+01 7.0674243612e+01 1.8121495006e-02
s -- 1.0499278070e+00 1.8424531579e-02
C -- -3.7509625949e+01 7.7835165192e+01