Alternative Equation Formats

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MathML

\begin{array}{rcl} y_{1 i}^{*} & = & α_{1} y_{2 i} + β_{1} z_{1 i} + β_{2} z_{2 i} + u_{i} \\ y_{2 i}^{*} & = & π_{1} z_{1 i} + π_{2} z_{2 i} + π_{3} z_{3 i} + π_{4} z_{4 i} + ϵ_{i} \\ y_{1 i} & = & {\begin{cases} 1 & i f y_{1 i}^{*} > 0 \\ 0 & i f y_{1 i}^{*} \leq 0 \end{cases} \\ y_{2 i} & = & y_{2 i}^{*} \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} y_{1i}^* & = & \alpha _{1} y_{2i} + \beta _{1}z_{1i} + \beta _{2}z_{2i} + u_{i} \\ y_{2i}^* & = & \pi _{1}z_{1i} + \pi _{2}z_{2i} + \pi _{3}z_{3i} + \pi _{4}z_{4i} + \epsilon _{i} \\ y_{1i} & = & \left\{ \begin{array}{ll} 1 & \mr{~ if~ } y^{*}_{1i}>0 \\ 0 & \mr{~ if~ } y^{*}_{1i}\leq 0 \\ \end{array} \right. \\ y_{2i} & = & y_{2i}^* \end{eqnarray*}