Alternative Equation Formats

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MathML

\begin{array}{rcl} y_{1, i} & = α_{1} + β_{1, 1} x_{1, i} + β_{1, 2} x_{2, i} + β_{1, 3} x_{3, i} \\ y_{2, i} & = α_{2} + β_{2, 1} x_{3, i} + β_{2, 2} x_{5, i} + β_{2, 3} x_{6, i} \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} y_{1,i}& =\alpha _1+\beta _{1,1}x_{1,i} + \beta _{1,2}x_{2,i}+\beta _{1,3}x_{3,i}\\ y_{2,i}& =\alpha _2+\beta _{2,1}x_{3,i} + \beta _{2,2}x_{5,i}+\beta _{2,3}x_{6,i} \end{eqnarray*}