Alternative Equation Formats

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MathML

[\begin{matrix} σ_{1}^{2} & σ_{1} σ_{2} ρ_{21} & σ_{1} σ_{3} ρ_{31} & σ_{1} σ_{4} ρ_{41} \\ σ_{2} σ_{1} ρ_{21} & σ_{2}^{2} & σ_{2} σ_{3} ρ_{32} & σ_{2} σ_{4} ρ_{42} \\ σ_{3} σ_{1} ρ_{31} & σ_{3} σ_{2} ρ_{32} & σ_{3}^{2} & σ_{3} σ_{4} ρ_{43} \\ σ_{4} σ_{1} ρ_{41} & σ_{4} σ_{2} ρ_{42} & σ_{4} σ_{3} ρ_{43} & σ_{4}^{2} \end{matrix}]

MathML rendered with MathJax

[\begin{matrix} σ_{1}^{2} & σ_{1} σ_{2} ρ_{21} & σ_{1} σ_{3} ρ_{31} & σ_{1} σ_{4} ρ_{41} \\ σ_{2} σ_{1} ρ_{21} & σ_{2}^{2} & σ_{2} σ_{3} ρ_{32} & σ_{2} σ_{4} ρ_{42} \\ σ_{3} σ_{1} ρ_{31} & σ_{3} σ_{2} ρ_{32} & σ_{3}^{2} & σ_{3} σ_{4} ρ_{43} \\ σ_{4} σ_{1} ρ_{41} & σ_{4} σ_{2} ρ_{42} & σ_{4} σ_{3} ρ_{43} & σ_{4}^{2} \end{matrix}]

Math as LaTeX Source

$ \begin{bmatrix} \sigma ^2_1 & \sigma _1 \sigma _2 \rho _{21} & \sigma _1 \sigma _3 \rho _{31} & \sigma _1 \sigma _4 \rho _{41} \\ \sigma _2 \sigma _1 \rho _{21} & \sigma ^2_2 & \sigma _2 \sigma _3 \rho _{32} & \sigma _2 \sigma _4 \rho _{42} \\ \sigma _3 \sigma _1 \rho _{31} & \sigma _3 \sigma _2 \rho _{32} & \sigma ^2_3 & \sigma _3 \sigma _4 \rho _{43} \\ \sigma _4 \sigma _1 \rho _{41} & \sigma _4 \sigma _2 \rho _{42} & \sigma _4 \sigma _3 \rho _{43} & \sigma ^2_4 \\ \end{bmatrix} $