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DTSTART;VALUE=DATE:20121204T171500
DTEND;VALUE=DATE:20121204T171500
UID:5663@agenda.unifr.ch
DESCRIPTION:In our talk, we will present a new method for evaluating high order divided\ndifferences for certain classes of analytic, possibly, operator valued\nfunctions.\nThis is a classical problem in numerical mathematics but also arises in new\napplications such as, e.g., the use of generalized convolution quadrature\nto solve retarded potential integral equations.\nThe functions which we will consider are allowed to grow exponentially\nto the left complex half plane and the interpolation points are scattered\nin a large real interval. Our approach is based on the representation of\ndivided differences as contour integral and we will employ a subtle\nparameterization of the contour in combination with a quadrature\napproximation by the trapezoidal rule.\nThis talk comprises joint work with Dr Maria Lopez-Fernandez.\n<br> [invited by J.-P. Berrut and J.-P. Gabriel]
SUMMARY:Stefan Sauter (Zürich): Fast and Stable Contour Integration for High Order Divided Differences via Elliptic Functions
CATEGORIES:Colloque / Congrès / Forum
LOCATION:PER 08\, Phys 2.52\, Chemin du Musée 3\, 1700 Fribourg
URL;VALUE=URI:https://agenda.unifr.ch/e/fr/5663
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