Alternative Equation Formats

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MathML

\begin{array}{rcl} σ_{i, t}^{2 λ_{i}} = c_{i} + \sum_{l = 1}^{q} a_{i i, l} (| ϵ_{i, t - l} | - b_{i i, l} ϵ_{i, t - l})^{2 λ_{i}} + \sum_{l = 1}^{p} g_{i i, l} σ_{i, t - 1}^{2 λ_{i}} i = 1, \dots, k \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} \sigma _{i,t}^{2\lambda _ i} = c_ i + \sum _{l=1}^{q}{ a_{ii,l} (|\bepsilon _{i,t-l}|-b_{ii,l}\bepsilon _{i,t-l})^{2\lambda _ i}} + \sum _{l=1}^ p {g_{ii,l} \sigma _{i,t-1}^{2\lambda _ i}} ~ ~ ~ ~ i=1,\ldots , k\\ \end{eqnarray*}