Alternative Equation Formats

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MathML

\begin{array}{rcl} Σ_{z} (l) & = & \sum_{j = 0}^{l - 1} (\sum_{u = 0}^{j} Λ_{u} Ψ_{j - u}) Σ_{ϵ} {(\sum_{u = 0}^{j} Λ_{u} Ψ_{j - u})}^{'} \\ = & Σ_{z} (l - 1) + (\sum_{j = 0}^{l - 1} Λ_{j} Ψ_{l - 1 - j}) Σ_{ϵ} {(\sum_{j = 0}^{l - 1} Λ_{j} Ψ_{l - 1 - j})}^{'} \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} \Sigma _{\mb{z} }(l) & =& \sum _{j=0}^{l-1}{\left(\sum _{u=0}^{j} \Lambda _{u}\Psi _{j-u}\right) \Sigma _{\epsilon } \left(\sum _{u=0}^{j}\Lambda _{u} \Psi _{j-u}\right)'} \\ & =& \Sigma _{\mb{z} }(l-1) + \left(\sum _{j=0}^{l-1} \Lambda _{j} \Psi _{l-1-j}\right) \Sigma _{\epsilon } \left(\sum _{j=0}^{l-1} \Lambda _{j} \Psi _{l-1-j}\right)' \end{eqnarray*}