Alternative Equation Formats

The equation on this page is available in multiple formats. Depending on your browser, some formats might not render correctly.

MathML

s g n (z) = {\begin{cases} 1 & i f z > 0 \\ 0 & i f z = 0 \\ - 1 & i f z < 0 \end{cases}

MathML rendered with MathJax

s g n (z) = {\begin{cases} 1 & i f z > 0 \\ 0 & i f z = 0 \\ - 1 & i f z < 0 \end{cases}

Math as LaTeX Source

\[ \mr{sgn}(z) = \left\{ \begin{array}{ll} 1 & \mr{if} \, \, z > 0 \\ 0 & \mr{if} \, \, z = 0 \\ -1 & \mr{if} \, \, z < 0 \end{array} \right. \]