$\displaystyle y = A_o \exp\left[-\frac{(x-x_o)^2}{2\sigma^2}\right] + C$
PARAMETER NOTE VALUE ERROR
Ao START:4.50e+04 4.5977823745e+04 8.8424062053e+02
xo START:7.00e+01 6.9842547114e+01 2.1049276932e-02
s -- 9.4705612741e-01 2.1094376726e-02
C -- -5.2876301779e+01 1.1779997331e+02