Alternative Equation Formats

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MathML

\begin{array}{rcl} S_{2}^{(r)} (β, u) & = & \sum_{j = 1}^{n} w_{j} (u) Y_{j} (u) Z_{j} (u)^{\otimes r} \exp (β^{'} Z_{j} (u)), r = 0, 1, 2 \\ \bar{Z} (β, u) & = & \frac{S_{2}^{(1)} (β, u)}{S_{2}^{(0)} (β, u)} \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} \bS _2^{(r)}(\bbeta ,u) & =& \sum _{j=1}^ n w_ j(u)Y_ j(u)\bZ _ j(u)^{\otimes r}\exp (\bbeta '\bZ _ j(u)), \quad r=0,1,2 \\ \bar{\bZ }(\bbeta ,u) & =& \frac{\bS _2^{(1)}(\bbeta ,u)}{S_2^{(0)}(\bbeta ,u)} \end{eqnarray*}