Alternative Equation Formats

The equation on this page is available in multiple formats. Depending on your browser, some formats might not render correctly.

MathML

\begin{array}{rcl} σ_{t + d | t}^{2} = ω & + & \sum_{i = 1}^{d - 1} α_{i} (σ_{t + d - i | t}^{2} + ψ_{i}^{2}) + \sum_{i = d}^{q} α_{i} (ϵ_{t + d - i} - ψ_{i})^{2} \\ + & \sum_{j = 1}^{d - 1} γ_{j} σ_{t + d - j | t}^{2} + \sum_{j = d}^{p} γ_{j} h_{t + d - j} \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} {\sigma }^{2}_{t+d|t} = \omega & + & \sum _{i=1}^{d-1}{{\alpha }_{i} ({\sigma }^{2}_{t+d-i|t}+\psi _{i}^2)} + \sum _{i=d}^{q}{{\alpha }_{i} (\epsilon _{t+d-i}-\psi _{i})^2} \\ & + & \sum _{j=1}^{d-1}{{\gamma }_{j}{\sigma }^{2}_{t+d-j|t} } + \sum _{j=d}^{p}{{\gamma }_{j} h_{t+d-j}} \end{eqnarray*}