Alternative Equation Formats

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MathML

{\hat{γ}}_{x, y} (h) = {\begin{cases} \frac{1}{M} \sum_{t = h + 1}^{T} (x_{t} - \bar{x}) (y_{t - h} - \bar{y}) & 0 \leq h < T \\ \frac{1}{M} \sum_{t = | h | + 1}^{T} (x_{t - | h |} - \bar{x}) (y_{t} - \bar{y}) & - T < h < 0 \end{cases}

Math Rendered as SVG

Math as LaTeX Source

$\hat{\gamma }_{x,y}(h) = \left\{ \begin{array}{l l} \frac{1}{M}\sum _{t=h+1}^{T} (x_ t - \overline{x}) (y_{t-h} - \overline{y}) & \quad 0 \le h <T \\ \frac{1}{M}\sum _{t=|h|+1}^{T} (x_{t-|h|} - \overline{x}) (y_ t - \overline{y}) & \quad -T < h < 0 \\ \end{array} \right.$