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The Partition of Unity Method Spatial Approximation 32

RBF approximation by partition of unity for valuation of options under exponential Lévy processes

RBF approximation by partition of unity for valuation of options under exponential Lévy processes

... element method is developed, the papers by Andersen and Andreasen [2], by Cont and Voltchkova [19], by d’Halluin et ...numerical method based on the characteristic function is ...[20, 32] authors ...

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A RADIAL BASIS FUNCTION PARTITION OF UNITY METHOD FOR TRANSPORT ON THE SPHERE

A RADIAL BASIS FUNCTION PARTITION OF UNITY METHOD FOR TRANSPORT ON THE SPHERE

... efficient method for numerically solving the transport equation on the ...This method combines radial basis functions (RBFs) and a partition of unity method ...The method is ...

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Robust image registration based on a Partition of Unity Finite Element Method

Robust image registration based on a Partition of Unity Finite Element Method

... registration, partition of unity, op- tical flow, robust estimation, cardiac ultrasound ...duced Partition of Unity Finite Element Method (PUFEM) for the first time, with encouraging ...

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Radial basis functions with partition of unity method for American options with stochastic volatility

Radial basis functions with partition of unity method for American options with stochastic volatility

... Many approaches to numerically solve the option pricing PDE under the Heston model are discussed in the literature. Zvan et al. ( 1998 ) viewed this problem for an American option as a nonlinear PDE, where the early ...

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The computational complexity of approximation of partition functions

The computational complexity of approximation of partition functions

... Lemma 2.17. If σ has only local contours then σ ∗ has only local components. Proof. Suppose to the contrary that σ ∗ has non-local component K. Consider first the case of a cross component. So suppose K reaches both the ...

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Meshless partition of unity method for attraction basins of periodic orbits: Fast detection of separatrix points

Meshless partition of unity method for attraction basins of periodic orbits: Fast detection of separatrix points

... However, the detection approach constructed in this way is computationally expensive and is not robust enough to work with periodic orbits. Here, for 2-dimensional dynamical systems, we construct an ad hoc bisection-like ...

8

Preconditioning for radial basis function partition of unity methods

Preconditioning for radial basis function partition of unity methods

... RBF–QR method was employed in order to ensure stable evaluation of the ...RBF–QR method involves a change of basis, the resulting differentiation matrices are the same that would result from a direct use of ...

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Multilevel preconditioners for embedded enriched partition of unity approximations

Multilevel preconditioners for embedded enriched partition of unity approximations

... enriched partition of unity approximations in classical finite element simulations and the efficient solution of the resulting linear ...the partition of unity approach introduced in Schweitzer ...

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Preconditioning for radial basis function partition of unity methods

Preconditioning for radial basis function partition of unity methods

... In the current literature, most papers on preconditioning for RBF interpolation or ap- proximation consider global approximations like (1). In such circumstances, using precon- ditioners based on approximate cardinal ...

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Radial basis function partition of unity operator splitting method for pricing multi-asset American options

Radial basis function partition of unity operator splitting method for pricing multi-asset American options

... splitting method within the same scope on the same machine (let us call it “the ...penalty method was 3.6 seconds and for the FD OS method it was on average (out of three different modifications) ...

22

Task Allocation with Geographic Partition in Spatial Crowdsourcing

Task Allocation with Geographic Partition in Spatial Crowdsourcing

... in Spatial Crowdsourc- ing (SC), in which people with mobile connectivity can perform spatio-temporal tasks that involve travel to specified ...Geographic Partition, consisting of a geographic ...

10

Spatial approximation of the radiation transport equation using a subgrid-scale finite element method

Spatial approximation of the radiation transport equation using a subgrid-scale finite element method

... Galerkin method can be ...OSS method introduces less numerical dissipation than the SUPG method, the local overshoots and undershoots are sometimes high- er using the OSS ...SUPG method this ...

14

Spectral Methods for Likelihood Approximation of Spatial Processes

Spectral Methods for Likelihood Approximation of Spatial Processes

... The key feature of our new spectral likelihood method is the use of new data taper to filter the raw data. Tapering is a highly effective technique to remove edge effects in high dimensional problems. Data tapers ...

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Spatial and temporal rainfall approximation using additive models

Spatial and temporal rainfall approximation using additive models

... crudest method in common use for estimating the precipitation over a region, is to plot contours of equal precipitation manually or with the as- sistance of a structured grids, called isohyets ...

13

On the approximation of spatial structures of global tidal magnetic field models

On the approximation of spatial structures of global tidal magnetic field models

... R M and the regularizing term kB i k 2 H , which imposes a certain property to B i such as smoothness (as in our case). The Regularized (Orthogonal) Functional Match- ing Pursuit, in general, has the advantage that it ...

10

*—Inductive limits and partition of unity

*—Inductive limits and partition of unity

... We prove that if a partition of unity exists on a *-inductive limit space of a collection of topological vector spaces, then it is isomorphic and homeomorphic to a subspace of a *--direc[r] ...

6

Partition Based Spatial–Merge Join

Partition Based Spatial–Merge Join

... these spatial database systems includes simple geometric types like points, lines, polygons, and surfaces, and more com- plex types like swiss–cheese–polygons (which are polygons with holes) that are derived from ...

22

A numerable cover of a topological space X is one which possesses a partition of unity.

A numerable cover of a topological space X is one which possesses a partition of unity.

... In the special case where F = Rn respectively Cn and G is the orthogonal group On respectively unitary group Un acting in the standard way, and the restrictions of the trivialization ma[r] ...

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7-Method Statement for Gypsum Partition

7-Method Statement for Gypsum Partition

... 9.0 Construction 9.1 Layout marking or setting out A team of surveyors and his gang allocated specifically for layout marking are given an orientation about the site requirement by Site Engineer. This team will carry out ...

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Which Spatial Partition Trees are Adaptive to Intrinsic Dimension?

Which Spatial Partition Trees are Adaptive to Intrinsic Dimension?

... Figure 5: Adaptivity Plots for Various Spatial Trees on the Synthetic Dataset. Note that the slope of the plotted curve shows the decrease rate. Parallel lines highlight that the diameter decrease rates eventually ...

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