Alternative Equation Formats

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MathML

{(X^{'} X - x_{i} x_{i}^{'})}^{- 1} = {(X^{'} X)}^{- 1} + \frac{{(X^{'} X)}^{- 1} x_{i} x_{i}^{'} {(X^{'} X)}^{- 1}}{1 - x_{i}^{'} {(X^{'} X)}^{- 1} x_{i}}

Math Rendered as SVG

Math as LaTeX Source

\[ \left(\bX '\bX - \mb{x}_ i\mb{x}_ i^\prime \right)^{-1} = \left(\bX '\bX \right)^{-1} + \frac{\left(\bX '\bX \right)^{-1}\mb{x}_ i\mb{x}_ i^\prime \left(\bX '\bX \right)^{-1}}{1-\mb{x}_ i'\left(\bX '\bX \right)^{-1}\mb{x}_ i} \]