Alternative Equation Formats

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MathML

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

Math Rendered as SVG

Math as LaTeX Source

$ \begin{bmatrix} \sigma ^{2}_{1} & \sigma _{21} & \sigma _{31} & \sigma _{41} \\ \sigma _{21} & \sigma ^{2}_{2} & \sigma _{32} & \sigma _{42} \\ \sigma _{31} & \sigma _{32} & \sigma ^{2}_{3} & \sigma _{43} \\ \sigma _{41} & \sigma _{42} & \sigma _{43} & \sigma ^{2}_{4} \end{bmatrix} $