Alternative Equation Formats

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MathML

{\bar{w}}_{i \cdot} = \sum_{j} p_{\cdot j} w_{i j}

{\bar{w}}_{i \cdot} = \sum_{j} p_{\cdot j} w_{i j}

\[ \overline{w}_{i \cdot } = \sum _ j p_{\cdot j}w_{ij} \]