Alternative Equation Formats

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MathML

\begin{aligned} S S E (β) & = \sum_{i = 1}^{n} {(y_{i} - f (β; z_{i}^{'}))}^{2} \\ = \sum_{i = 1}^{n} {(y_{i} - f_{i} (β))}^{2} = r (β)^{'} r (β) \end{aligned}

Math Rendered as SVG

Math as LaTeX Source

\begin{align*} \mr{SSE}(\bbeta ) & = \sum _{i=1}^{n} \left(y_ i - f\left(\bbeta ;\mb{z}_{i}^\prime \right)\right)^2 \\ & = \sum _{i=1}^{n} \left(y_ i - f_ i\left(\bbeta \right)\right)^2 = \mb{r}(\bbeta )^\prime \mb{r}(\bbeta ) \end{align*}