Alternative Equation Formats

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

MathML

C o v [ξ_{i}, ξ_{j}] = {\begin{array}{lc} \sqrt{σ_{i}^{2} σ_{j}^{2}} & i = j \\ ρ \sqrt{σ_{i}^{2} σ_{j}^{2}} & i \neq j \end{array}

Math Rendered as SVG

Math as LaTeX Source

\[ \mr{Cov}\left[\xi _ i,\xi _ j\right] = \left\{ \begin{array}{lc} \sqrt{\sigma ^2_ i\sigma ^2_ j} & i=j \\ \rho \sqrt{\sigma ^2_ i\sigma ^2_ j} & i \not= j \end{array} \right. \]