Alternative Equation Formats

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MathML

\begin{array}{rcl} y_{t + i | t} & = & \sum_{j = i}^{\infty} V_{j} a_{t + i - j} + \sum_{j = i}^{\infty} Ψ_{j} ϵ_{t + i - j} \\ y_{t + i | t + 1} & = & y_{t + i | t} + V_{i - 1} a_{t + 1} + Ψ_{i - 1} ϵ_{t + 1} \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} \mb{y} _{t+i|t} & =& \sum _{j=i}^{\infty }V_{j}\mb{a} _{t+i-j} + \sum _{j=i}^{\infty }\Psi _{j}\bepsilon _{t+i-j}\\ \mb{y} _{t+i|t+1} & =& \mb{y} _{t+i|t} + V_{i-1} \mb{a} _{t+1} + \Psi _{i-1} \bepsilon _{t+1} \end{eqnarray*}