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- Moritz Allmaras, Wolfgang Bangerth, +5 authors Sarah Zedler
- SIAM Review
- 2013

All mathematical models of real-world phenomena contain parameters that need to be estimated from measurements, either for realistic predictions or simply to understand the characteristics of the model. Bayesian statistics provides a framework for parameter estimation in which uncertainties about models and measurements are translated into uncertainties in… (More)

- Jean Marie Linhart
- ACM Trans. Math. Softw.
- 2008

We present and compare three C functions to compute the logarithm of the cumulative standard normal distribution. The first is a new algorithm derived from Algorithm 304’s calculation of the standard normal distribution via a series or continued fraction approximation, and it is good to the accuracy of the machine. The second is based on Algorithm… (More)

We study singularity formation in spherically symmetric solitons of the charge one sector of the (2+1) dimensional S 2 sigma model, also known as CP 1 wave maps, in the adiabatic limit. These equations are non-integrable, and so studies are performed numerically on radially symmetric solutions using an iterative finite differencing scheme. Analytic… (More)

We study singularity formation in spherically symmetric solitons of the (4+1) dimensional Yang Mills model and the charge two sector of the (2+1) dimensional S 2 sigma model, also known as CP 1 wave maps, in the adiabatic limit. These two models are very similar. Studies are performed numerically on radially symmetric solutions using an iterative finite… (More)

- Evangelia Smeti, Daniel L. Roelke, Gwénaëlle Gremion, Jean Marie Linhart, Daniel B. Danielidis, Sofie Spatharis
- Hydrobiologia
- 2015

To understand the mechanisms leading to coexistence and exclusion, it is essential to establish information on the nutritional needs of species. We focused on the frequently coexisting Pseudo-nitzschia species, P. delicatissima and P. galaxiae, capable of forming blooms and producing domoic acid. We employed monoculture experiments to determine growth… (More)

We study singularity formation in spherically symmetric solutions of the charge-one and charge-two sector of the (2+1)-dimensional S 2 σ-model and the (4+1)-dimensional Yang-Mills model, near the adi-abatic limit. These equations are non-integrable, and so studies are performed numerically on rotationally symmetric solutions using an iterative finite… (More)

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