Tools and Tactics for Operations Managers (Collection)

Footnotes

¹ This statement is based on this author’s experience as a cadet in the U.S. Army at West Point in the early 1970’s.

² Adapted from http://en.wikipedia.org/wiki/Analytic_Hierarchy_Process, March 5, 2011.

³ Given a square matrix A, the scalar λ and non-zero vector v are said to be the eigenvalue and the eigenvector of A if Av = λv.

⁴ This bathtub curve is the sum of four Weibull curves f(t) = αβ^−αt^α−1 exp(−(t/β)^α) with α = 0.5, 1, 3, and 10, β = 135, for t in the range (1,250).

⁵ The partial autocorrelation at lag k is the autocorrelation between x_t and x_t-k that is not accounted for by lags 1 through k – 1.

⁶ The figure above is different from the original because it puts high market share on the right rather than the left.

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