Alternative Equation Formats

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

MathML

π_{i} = {\begin{cases} π_{k + 1} e^{η_{i}} & 1 \leq i \leq k \\ \frac{1}{1 + \sum_{j = 1}^{k} e^{η_{j}}} & i = k + 1 \end{cases}

Math Rendered as SVG

Math as LaTeX Source

\[ \pi _ i = \left\{ \begin{array}{ll} \pi _{k+1} {e}^{\eta _ i} & 1\le i\le k \\ \displaystyle \frac{1}{1+\sum _{j=1}^{k} {e}^{\eta _ j}} & i=k+1 \end{array} \right. \]