Alternative Equation Formats

The equation on this page is available in multiple formats. Depending on your browser, some formats might not render correctly.

MathML

μ = \frac{1}{n - 1} Σ_{t = 2}^{n} (y_{t} - y_{t - 1})

MathML rendered as SVG

$mu equals . fraction 1 , over n minus 1 end fraction . cap sigma with subscript t equals 2 , and with superscript n , end sub-superscript . open , y sub t , minus . y sub t minus 1 end sub . close$

Last updated: March 16, 2026