Alternative Equation Formats

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MathML

σ2[1ρρρρ1ρρρρ1ρρρρ1]

MathML rendered with MathJax

σ2[1ρρρρ1ρρρρ1ρρρρ1]

Math as LaTeX Source

$ \sigma ^2\begin{bmatrix} 1 & \rho & \rho & \rho \\ \rho & 1 & \rho & \rho \\ \rho & \rho & 1 & \rho \\ \rho & \rho & \rho & 1 \end{bmatrix} $