Alternative Equation Formats

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MathML

\begin{array}{rcl} {\hat{S}}_{n} = \frac{1}{n} {(\sum_{t = 1}^{n} (q (y_{t}, x_{t}, θ) \otimes z_{t}))}^{'} {(\sum_{t = 1}^{n} I \otimes z_{t} z_{t}^{'})}^{- 1} (\sum_{t = 1}^{n} (q (y_{t}, x_{t}, θ) \otimes z_{t})) \end{array}

MathML rendered with MathJax

\begin{array}{rcl} {\hat{S}}_{n} = \frac{1}{n} {(\sum_{t = 1}^{n} (q (y_{t}, x_{t}, θ) \otimes z_{t}))}^{'} {(\sum_{t = 1}^{n} I \otimes z_{t} z_{t}^{'})}^{- 1} (\sum_{t = 1}^{n} (q (y_{t}, x_{t}, θ) \otimes z_{t})) \end{array}

Math as LaTeX Source

\begin{eqnarray*} \hat{S}_{n} = \frac{1}{n} \left(\sum _{t=1}^{n}{(\Strong{q} (\Strong{y}_{t}, \Strong{x}_{t}, \theta ) {\otimes }\Strong{z}_{t})}\right)' \left(\sum _{t=1}^{n} I {\otimes }\Strong{z}_{t}\Strong{z}_{t}'\right)^{-1} \left(\sum _{t=1}^{n}{(\Strong{q} (\Strong{y}_{t}, \Strong{x}_{t},{\btheta }) {\otimes } \Strong{z}_{t})}\right) \nonumber \end{eqnarray*}