Numerical inversion of two-dimensional Laplace transforms—Fourier series representation
Applied Numerical Mathematics
Numerical Inversion of Laplace Transforms by Relating Them to the Finite Fourier Cosine Transform
Journal of the ACM (JACM)
Choosing the best approach to matrix exponentiation
Computers and Operations Research
Explicit results for wear processes in a Markovian environment
Operations Research Letters
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We present simplified analytical results for the numerical evaluation of failure time probabilities for a single-unit system whose cumulative wear over time depends on its external environment. The failure time distribution is derived as a one-dimensional Laplace-Stieltjes transform with respect to the temporal variable using a direct solution approach and by inverting an existing two-dimensional result with respect to the spatial failure threshold variable. Two numerical examples demonstrate that accurate cumulative probability values can be obtained in a straightforward manner using standard computing environments.