Line 70:
Line 70:
<math>
<math>
\sigma_{fit}^2=
\sigma_{fit}^2=
−
\left| \sum_k^n{ \sigma_{u_k}
+
\left( \sum_k^n{ \sigma_{u_k}
−
\frac{\partial}{\partial u_k}\left(
−
\sum_{\alpha,\beta}^n{u_\alpha u_\beta^* I_{\alpha\beta}}
−
\right)
−
}
−
\right|^2
−
</math>
−
::<math>
−
=\left( \sum_k^n{ \sigma_{u_k}
\sum_{\gamma,\delta}{ \rho_{\gamma\delta}
\sum_{\gamma,\delta}{ \rho_{\gamma\delta}
\sum_{\alpha,\beta}^n{\delta_{k\alpha} u_\beta^* J^{\gamma\delta}_{\alpha\beta}}
\sum_{\alpha,\beta}^n{\delta_{k\alpha} u_\beta^* J^{\gamma\delta}_{\alpha\beta}}