Alternative Equation Formats

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MathML

Λ_{H A C} = a \sum_{i = 1}^{N} {(\sum_{t = 1}^{T_{i}} w_{i t} w_{i t}^{'} + \sum_{t = 1}^{T_{i}} \sum_{s = 1}^{t - 1} k (\frac{s - t}{b}) (w_{i t} w_{i s}^{'} + w_{i s} w_{i t}^{'})) (I - A_{i})^{- 1} ((I - A_{i})^{- 1})^{'}}

Math Rendered as SVG

Math as LaTeX Source

\[ \Lambda _{\mr{HAC}}=a\sum _{i = 1} ^{N}\left\{ \left(\sum _{t=1}^{T_{i}}{w_{it} w_{it}'}+\sum _{t=1}^{T_{i}}{\sum _{s=1}^{t-1}{k(\frac{s-t}{b})\left(w_{it} w_{is}' + w_{is} w_{it}'\right)}}\right)(I-A_{i})^{-1}((I-A_{i})^{-1})'\right\} \]