'Flow decomposition' diaporamas de présentation

Flow decomposition - PowerPoint PPT Presentation

15.082J, 6.855J, and ESD.78J September 21, 2010

15.082J, 6.855J, and ESD.78J September 21, 2010

15.082J, 6.855J, and ESD.78J September 21, 2010. Eulerian Walks Flow Decomposition and Transformations. Eulerian Walks in Directed Graphs in O(m) time. Step 1. Create a breadth first search tree into node 1. For j not equal to 1, put the arc out of j in T last on the arc list A(j).

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467 views • 31 slides
15.082J, 6.855J, and ESD.78J September 21, 2010

15.082J, 6.855J, and ESD.78J September 21, 2010

15.082J, 6.855J, and ESD.78J September 21, 2010. Eulerian Walks Flow Decomposition and Transformations. Eulerian Walks in Directed Graphs in O(m) time. Step 1. Create a breadth first search tree into node 1. For j not equal to 1, put the arc out of j in T last on the arc list A(j).

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313 views • 31 slides
OPIM 915 2010

OPIM 915 2010

OPIM 915 2010. Flow Decomposition and Transformations. Flow Decomposition and Transformations. Flow Decomposition Removing Lower Bounds Removing Upper Bounds Node splitting Arc flows : an arc flow x is a vector x satisfying: Let b(i) = ? j x ij - ? i x ji (supply or demand)

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266 views • 24 slides
Network Optimization

Network Optimization

Network Optimization. Flow Decomposition. The initial flow. 7. 2. 4. 4. 3. 3. 8. 2. -2. 1. 6. 4. 4. 2. 3. 5. 5. 9. A deficit node (more flow leaving than entering). An excess node (more flow entering than leaving). A balanced node (flow in = flow out).

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321 views • 15 slides
15.082 and 6.855J

15.082 and 6.855J

15.082 and 6.855J. Flow Decomposition. begin Initialize while y ? ? do begin Select(s, y) Search(s, y) if a cycle C is found then do begin let D = Capacity(C, y) Add Flow( D , C) to cycle flows Subtract Flow( D , C) from y. end if a path P is found then do

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215 views • 14 slides
15.082 and 6.855J

15.082 and 6.855J

15.082 and 6.855J. Flow Decomposition. begin Initialize while y ? ? do begin Select(s, y) Search(s, y) if a cycle C is found then do begin let D = Capacity(C, y) Add Flow( D , C) to cycle flows Subtract Flow( D , C) from y. end if a path P is found then do

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203 views • 14 slides
Reconstruction of Ocean Currents From Sparse and Noisy Data

Reconstruction of Ocean Currents From Sparse and Noisy Data

Reconstruction of Ocean Currents From Sparse and Noisy Data. Peter C Chu and Leonid Ivanov Naval Postgraduate School T.P. Korzhova, T.M. Margolina, O.V. Melnichenko Marine Hydrophysical Institute Sevastopol, Crimea, Ukraine chu@nps.navy.mil.

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210 views • 12 slides

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