'Logn' diaporamas de présentation

Computing the shortest path on a polyhedral surface

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Solving SDD Linear Systems in Nearly mlog 1/2 n Time

Solving SDD Linear Systems in Nearly mlog 1/2 n Time. Richard Peng M.I.T. A&C Seminar, Sep 12, 2014. Outline. The Problem Approach 1 Approach 2 Combining these. Large Graphs. Images. Roads. Social networks. Meshes. Algorithmic challenges: How to store? How to analyze?

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The Complexity of Lattice Problems

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GapSVP ? n and GapCVP ? n are in NP ? coNP

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Approximating Points by A Piecewise Linear Function: I

Approximating Points by A Piecewise Linear Function: I. Danny Z. Chen and Haitao Wang Computer Science and Engineering University of Notre Dame Indiana, USA. Outline. Problem definitions Motivations and previous work Our results. Problem Definitions. Input: A point set P (2-D or 3-D)

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VLSI Arithmetic

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Extra material

Extra material. Prove that bottom-up construction of a heap for n items takes O(n) units of time. Bottom-up construction of a heap. 14. 8. 9. 25. 27. 6. 5. 16. 15. 4. 12. 20. 23. 11. 7. 16,15,4,12,11,7,23,20,25,5,6,27,9,8,14. Bottom-up construction of a heap. 16. 15. 4.

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?????. ???? n ???? ( ???? ?) ????????????????????????????? T(n). ?????. ??????????? T(n) ??????????? W(n) ??? T(n) ??? T(n)=W(n) ??????????? A(n) ??? T(n) ??? T(n)=A(n) ????????? B(n) ??? T(n) ??? T(n)=B(n). ???????. ??? c ??? an+b ??? alogn+b ????? anlogn+b ??? an 2 +bn+c

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Heapsort and d-Heap Neil Tang 02/11/2010

Heapsort and d-Heap Neil Tang 02/11/2010. Class Overview. d-Heap Sort using a heap Heapsort. d-Heap. A d-Heap is exactly like a binary heap except that all the nodes have no more than d children. d-Heap. Insertion takes O(log d N). deleteMin takes O(dlog d N)

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