Alternative Equation Formats

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MathML

ρ (s) = χ_{k_{1}} (s) = {\begin{cases} 3 (\frac{s}{k_{1}})^{2} - 3 (\frac{s}{k_{1}})^{4} + (\frac{s}{k_{1}})^{6} & if | s | \leq k_{1} \\ 1 & otherwise \end{cases}

Math Rendered as SVG

Math as LaTeX Source

\[ \rho (s) = \chi _{k_1}(s) = \left\{ \begin{array}{ll} 3({s\over k_1})^2 - 3({s\over k_1})^4 + ({s\over k_1})^6 & {\mbox{if }} |s| \leq k_1 \\ 1 & {\mbox{ otherwise }} \end{array} \right. \]