Position and Height of the Global Maximum of a Twice Differentiable Stochastic Process

Igor Rychlik and Eva Sjö
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Igor Rychlik: Lund University
Eva Sjö: Lund University

Methodology and Computing in Applied Probability, 2002, vol. 4, issue 3, 291-307

Abstract: Abstract For a stochastic process ω with absolutely continuous sample path derivative, a formula for the joint density of (T, Z), the position and height of the global maximum of ω in a closed interval, is given. The formula is derived using the generalized Rice’s formula. The presented result can be applied both to stationary and non-stationary processes under mild assumptions on the process. The formula for the density is explicit but involves integrals that have to be computed using numerical integration. The computation of the density is discussed and some numerical examples are given.

Keywords: stochastic process; global maximum; supremum; generalized Rice’s formula; extremes (search for similar items in EconPapers)
Date: 2002
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DOI: 10.1023/A:1022542019397

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