'Matrix multiplication' diaporamas de présentation

NP-Completeness

NP-Completeness. Andreas Klappenecker [based on slides by Prof. Welch]. 1. Prelude: Informal Discussion. (Incidentally, we will never get very formal in this course). 2. Polynomial Time Algorithms.

1.65k views • 141 slides

CS 267 Dense Linear Algebra: Parallel Gaussian Elimination

CS 267 Dense Linear Algebra: Parallel Gaussian Elimination. James Demmel www.cs.berkeley.edu/~demmel/cs267_Spr11. Outline. Recall results for Matmul from last time Review Gaussian Elimination (GE) for solving Ax=b Optimizing GE for caches on sequential machines

1.43k views • 110 slides

CS 267 Dense Linear Algebra: Parallel Gaussian Elimination

CS 267 Dense Linear Algebra: Parallel Gaussian Elimination. James Demmel www.cs.berkeley.edu/~demmel/cs267_Spr09. Outline. Review Matmul from last time Review Gaussian Elimination (GE) for solving Ax=b Optimizing GE for caches on sequential machines

1.12k views • 92 slides

Part 3 - Chapter 8 Linear Algebraic Equations and Matrices

713 views • 58 slides

By: David McQuilling; Jesus Caban Deng Li

Numerical Linear Algebra. By: David McQuilling; Jesus Caban Deng Li. Solving Linear Equations. A. x. b. Gaussian Elimination. Start with the matrix representation of A x = b by adding the solution vector b to the matrix A.

650 views • 52 slides

Cyclic Code

Cyclic Code. Linear Block Code. Hamming Code is a Linear Block Code. Linear Block Code means that the codeword is generated by multiplying the message vector with the generator matrix.

816 views • 44 slides

Lecture 3 Matrices

Lecture 3 Matrices. Lat Time Matrices, Gaussian Elimination and Gauss-Jordan Elimination Operation with Matirces Properties of Matrix Operations Reading Assignment : Sec. 1.1 and 2.1of Text. Elementary Linear Algebra R. Larsen et al. (5 Edition) TKUEE ??? -NTUEE SCC_09_2007.

811 views • 39 slides

3_3 An Useful Overview of Matrix Algebra

3_3 An Useful Overview of Matrix Algebra. Definitions Operations SAS/IML matrix commands. What is it?. Matrix algebra is a means of making calculations upon arrays of numbers (or data). Most data sets are matrix-type. Why use it?.

696 views • 37 slides

Matrices, Digraphs, Markov Chains & Their Use by Google

583 views • 37 slides

Matrix Factorization and Collaborative Filtering

School of Computer Science. 10-601B Introduction to Machine Learning. Matrix Factorization and Collaborative Filtering. Matt Gormley Lecture 26 November 30, 2016. Readings: Koren et al. (2009) Gemulla et al. (2011). Reminders. Homework 7 due Mon ., Dec . 5 In- class Review Session

829 views • 36 slides

747 views • 25 slides

ME964 High Performance Computing for Engineering Applications

368 views • 24 slides

6.837 Linear Algebra Review

6.837 Linear Algebra Review. Patrick Nichols Thursday, September 18, 2003. Overview. Basic matrix operations (+, -, *) Cross and dot products Determinants and inverses Homogeneous coordinates Orthonormal basis. Additional Resources. 18.06 Text Book 6.837 Text Book

564 views • 20 slides

Principal Component Analysis

Principal Component Analysis. Olympic Heptathlon Ch. 13. Principal components. The Principal components method summarizes data by finding the major correlations in linear combinations of the obervations. Little information lost in process, usually

446 views • 20 slides

CSE 690: GPGPU Lecture 7: Matrix Multiplications

CSE 690: GPGPU Lecture 7: Matrix Multiplications . Klaus Mueller Computer Science, Stony Brook University. Basic Concept. Triple loop. GPU Algorithms. First algorithm: render a rectangle of size NxN represent the matrices as NxN textures each (i,j) is then a fragment

346 views • 19 slides

More Dynamic Programming

355 views • 17 slides

Further Pure 1

771 views • 15 slides

Graph Theory: Cliques

Graph Theory: Cliques. Ryan Nickerson Roy Burdin Henry Armstrong Alex Martin Derek Hanrahan. Basic Graph Theory Vocab. Vertices are points of a graph. Usually used to represent something, in our example our vertices will represent towns.

1.32k views • 13 slides

Matrix Commands in Excel

Matrix Commands in Excel. Anthony Murphy Nuffield College anthony.murphy@nuffield.ox.ac.uk. Matrix Commands in Excel. Excel can perform some useful, albeit basic, matrix operations: Addition & subtraction; Scalar multiplication & division; Transpose ( TRANSPOSE );

448 views • 12 slides

Matrix Commands in Excel

Matrix Commands in Excel. Anthony Murphy Nuffield College anthony.murphy@nuffield.ox.ac.uk. Matrix Commands in Excel. Excel can perform some useful, albeit basic, matrix operations: Addition & subtraction; Scalar multiplication & division; Transpose ( TRANSPOSE );

333 views • 12 slides