Alternative Equation Formats

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MathML

\begin{aligned} | | A | |_{\infty} & = max {\sum_{j = 1}^{m} | a_{i j} | : i = 1, \dots, n} \\ | | A | |_{1} & = max {\sum_{i = 1}^{n} | a_{i j} | : j = 1, \dots, m} \end{aligned}

Math Rendered as SVG

Math as LaTeX Source

\begin{align*} ||\mb{A}||_\infty & = \max \left\{ \sum _{j=1}^ m |a_{ij}| \, : i=1,\ldots ,n \right\} \\ ||\mb{A}||_1 & = \max \left\{ \sum _{i=1}^ n |a_{ij}| \, : j=1,\ldots ,m \right\} \\ \end{align*}