%* Last edited: Feb 19 20:52 1995 (viola)
\newcommand{\eq}[1]{(\ref{#1})}
\newcommand{\eqref}[1]{(\ref{#1})}
\newcommand{\figref}[1]{Figure~\ref{#1}}
\def\argmax{\mathop{\rm argmax}}
\def\argmin{\mathop{\rm argmin}}

\def\that{\hat{T}}
\def\gpsi{g_{\psi}}
\def\gpsiu{g_{\psi_u}}
\def\gpsiv{g_{\psi_v}}
\def\psinv{\psi^{-1}}
\def\ddt{\frac{d}{dT}}
\def\uvi{w_i}
\def\uvj{w_j}
\def\uvij{(w_i - w_j)}
\def\uvik{(w_i - w_k)}
\def\uvijt{(w_i - w_j)^T}
%
\def\psinvu{\psinv_u}
\def\psinvuu{\psinv_{uu}}
\def\psinvvv{\psinv_{vv}}
\def\psinvv{\psinv_{v}}
\def\psinvuv{\psinv_{uv}}
\def\gpsiu{g_{\psi_u}}
\def\gpsiv{g_{\psi_v}}
\def\gpsiuv{g_{\psi_{uv}}}
\def\didthat{\widehat{\frac{dI}{dT}}}
\def\didvhat{\widehat{\frac{dI}{dv}}}
\def\ddsk{\frac{d}{d\sigma_k}}
\def\dldskhat{\widehat{\frac{dL}{d\sigma_k}}}
\def\del{$\bigtriangleup$}
\def\dtb{$\overline{|\bigtriangleup\theta|}$}
\def\sgx{\normalsize $\sigma_X$}
\def\sgy{\normalsize $\sigma_Y$}
\def\sgz{\normalsize $\sigma_Z$}

\def\infint{\int_{-\infty}^{\infty}}

\def\paragraph{}
\def\subparagraph{}

\def\bigeta{{\LARGE \eta}}

\def\past{P^\ast}
\def\Last{L^\ast}
\def\hast{h^\ast}
\def\ddv{\frac{d}{dv}}

\def\expect#1{E\left[ {#1} \right]}
\def\expectsub#1#2{E_{#1}\left[ {#2} \right]}


\def\uvi{w_i}
\def\uvj{w_j}
\def\uvij{(w_i - w_j)}
\def\uvik{(w_i - w_k)}
\def\uvijt{(w_i - w_j)^T}
%
\def\psinvu{\psinv_u}
\def\psinvuu{\psinv_{uu}}
\def\psinvvv{\psinv_{vv}}
\def\psinvv{\psinv_{v}}
\def\psinvuv{\psinv_{uv}}
%
%

\newcommand{\Ron}[1]{ {\sc RK{#1}}}

\def\fast{F^\ast}