Alternative Equation Formats

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MathML

χ_{k_{0}} (s) = {\begin{cases} 3 (\frac{s}{k_{0}})^{2} - 3 (\frac{s}{k_{0}})^{4} + (\frac{s}{k_{0}})^{6} & if | s | \leq k_{0} \\ 1 & otherwise \end{cases}

Math Rendered as SVG

Math as LaTeX Source

\[ \chi _{k_0}(s) = \left\{ \begin{array}{ll} 3({s\over k_0})^2 - 3({s\over k_0})^4 + ({s\over k_0})^6& {\mbox{if }} |s| \leq k_0 \\ 1 & {\mbox{ otherwise }} \end{array} \right. \]