Alternative Equation Formats

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MathML

\begin{aligned} maximize & \sum_{i \in M} \sum_{j \in N} p_{i j} x_{i j} \\ subject to & \sum_{i \in M} x_{i j} & = 1 & j \in N & (Assignment) \\ \sum_{j \in N} w_{i j} x_{i j} & \leq b_{i} & i \in M & (Knapsack) \\ x_{i j} & \in {0, 1} & i \in M, j \in N \end{aligned}

MathML rendered with MathJax

\begin{aligned} maximize & \sum_{i \in M} \sum_{j \in N} p_{i j} x_{i j} \\ subject to & \sum_{i \in M} x_{i j} & = 1 & j \in N & (Assignment) \\ \sum_{j \in N} w_{i j} x_{i j} & \leq b_{i} & i \in M & (Knapsack) \\ x_{i j} & \in {0, 1} & i \in M, j \in N \end{aligned}

Math as LaTeX Source

\begin{align*} & \text {maximize} & \sum _{i \in M} \sum _{j \in N} p_{ij} x_{ij}\\ & \text {subject to} & \sum _{i \in M} x_{ij} & = 1 & & j \in N & & \text {(Assignment)}\\ & & \sum _{j \in N} w_{ij} x_{ij} & \leq b_ i & & i \in M & & \text {(Knapsack)} \\ & & x_{ij} & \in \left\{ 0,1\right\} & & i \in M, \ j \in N \end{align*}