Alternative Equation Formats

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MathML

\begin{array}{llllll} minimize & \sum_{(i, j) \in A} c_{i j} x_{i j} \\ subject to & \sum_{(i, j) \in δ (i)} x_{i, j} & = & 2 & i \in N & (t w o_m a t c h) \\ \sum_{(i, j) \in δ (S)} x_{i j} & \geq & 2 & S \subset N, 2 \leq | S | \leq | N | - 1 & (s u b t o u r_e l i m) \\ x_{i j} \in {0, 1} & (i, j) \in A \end{array}

MathML rendered with MathJax

\begin{array}{llllll} minimize & \sum_{(i, j) \in A} c_{i j} x_{i j} \\ subject to & \sum_{(i, j) \in δ (i)} x_{i, j} & = & 2 & i \in N & (t w o_m a t c h) \\ \sum_{(i, j) \in δ (S)} x_{i j} & \geq & 2 & S \subset N, 2 \leq | S | \leq | N | - 1 & (s u b t o u r_e l i m) \\ x_{i j} \in {0, 1} & (i, j) \in A \end{array}

Math as LaTeX Source

\[ \begin{array}{llllll} \text {minimize} & \displaystyle \sum _{(i,j) \in A} c_{ij} x_{ij} \\ \text {subject to} & \displaystyle \sum _{(i,j) \in \delta ({i})} x_{i,j} & = & 2 & i \in N & (\mr{two\_ match}) \\ & \displaystyle \sum _{(i,j) \in \delta (S)}x_{ij} & \geq & 2 & S \subset N, \; 2 \leq |S| \leq |N| - 1 & (\mr{subtour\_ elim})\\ & x_{ij} \in \{ 0,1\} & & & (i,j) \in A \end{array} \]