Alternative Equation Formats

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MathML

\begin{array}{rcl} \ln (σ_{i, t + h | t}^{2}) & = & c_{i} + \sum_{l = h}^{q} a_{i i, l} (b_{i i, l} \frac{ϵ_{i, t + h - l}}{σ_{i, t + h - l}} + | \frac{ϵ_{i, t + h - l}}{σ_{i, t + h - l}} | - \sqrt{\frac{2}{π}}) + \sum_{l = 1}^{p} g_{i i, l} \ln (σ_{i, t + h - l | t}^{2}) \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} {\ln }(\sigma _{i,t+h|t}^2) & =& c_ i + \sum _{l=h}^{q} {a_{ii,l}\left(b_{ii,l}\frac{\bepsilon _{i,t+h-l}}{\sigma _{i,t+h-l}} + |\frac{\bepsilon _{i,t+h-l}}{\sigma _{i,t+h-l}}| - \sqrt{\frac{2}{\pi }}\right)} + \sum _{l=1}^{p}{g_{ii,l}{\ln }( \sigma _{i,t+h-l|t}^2)} \end{eqnarray*}