Ditemukan 55 dokumen yang sesuai dengan query
Piotr Orzechowski, author
ABSTRAK
Nowadays cloud computing is one of the most popular processing models. More and more different kinds of workloads have been migrated to clouds. This trend obliges the community to design algorithms which could optimize the usage of cloud resources and be more
efficient and effective. The paper proposes a new model...
TASK, 2017
600 SBAG 21:4 (2017)
Artikel Jurnal Universitas Indonesia Library
Dorota Grygoruk, author
ABSTRAK
Studies of forest ecosystems enable gathering important information on the natural environment the development of which is more and more disturbed by the global climate change. The current research on the ecosystem functioning provides data that may be of much value for future analysis and prognostic studies. Modern measurement techniques...
TASK, 2017
600 SBAG 21:4 (2017)
Artikel Jurnal Universitas Indonesia Library
Jamil Abdulhamid Mohammed Saif, author
ABSTRAK
Image edge detection plays a crucial role in image analysis and computer vision, it is defined as the process of finding the boundaries between objects within the considered image. The recognized edges may further be used in object recognition or image matching. In this paper a Canny image edge detector...
TASK, 2017
600 SBAG 21:4 (2017)
Artikel Jurnal Universitas Indonesia Library
Pawel Wodja, author
ABSTRAK
A complete system of Maxwell equations is splitting into independent subsystems by means of a special dynamic projecting technique. The technique relies upon a direct link between field components that determine correspondent subspaces. The explicit form of links and corresponding subspace evolution equations are obtained inconditions of certain symmetry, it...
TASK, 2017
600 SBAG 21:2 (2017)
Artikel Jurnal Universitas Indonesia Library
Ivan Karpov, author
ABSTRAK
We propose a new inverse problem formulation based on the hydrodynamics consideration of a gas/water fluid that results in planetary waves diagnostics. We analyze such a possibility beginning from a simplest version of geophysical hydrodynamics, written in the B plane model. The problem of diagnostics is solved approximately after expansion...
TASK, 2017
600 SBAG 21:2 (2017)
Artikel Jurnal Universitas Indonesia Library
Sergey Leble, author
ABSTRAK
We consider a generalization of the projection operator method for the case of the Cauchy problem in 1D space for systems of evolution differential equations of first order with variable coefficients. It is supposed that the dependence of coefficients on the only variable𝑥is weak, that is described by the introduction...
TASK, 2017
600 SBAG 21:2 (2017)
Artikel Jurnal Universitas Indonesia Library
Valerian A. Yurov, author
ABSTRAK
Amathematicalmodelofthemechanismoftheappearanceofantisymmetricvortices during the propagation of freshwater into the seawater which is observed, in particular, at the exit from the Baltic Canal connecting the Vistula Lagoon and the Baltic Sea is constructed in the work. In particular it is shown that the main reason for the vortex formation in this case...
TASK, 2017
600 SBAG 21:2 (2017)
Artikel Jurnal Universitas Indonesia Library
Anna Perelomova, author
ABSTRAK
The nonlinear dynamics of perturbations, quickly varying in space, with comparatively large characteristic wavenumbers k k > 1/H, is considered. H is the scale of density and pressure reduction in unperturbed gas, as the coordinate increases H is the so called height of the uniform equilibrium gas. Coupling nonlinear equations...
TASK, 2017
600 SBAG 21:2 (2017)
Artikel Jurnal Universitas Indonesia Library
Dmitrii Ampilogov, author
ABSTRAK
The investigation of the wave propagation in a 1D metamaterial is continued in this paper. A nonlinear evolution equation of the wave interaction of two polarizations by means of the projection operator method is obtained and a particular solution in the case of slow varying envelopes is found....
TASK, 2017
600 SBAG 21:2 (2017)
Artikel Jurnal Universitas Indonesia Library
Bartosz Reichel, author
ABSTRAK
In this paper a new way of derivation of an evolution equation for short pulses in a dielectric waveguide including one model of a metamaterial waveguide is shown. This derivation model relies upon projecting to an orthogonal basis. In our case such orthogonal basis for cylindrical waveguides is chosen as...
TASK, 2017
600 SBAG 21:2 (2017)
Artikel Jurnal Universitas Indonesia Library
