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Matrix Factorization and Collaborative Filtering

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

By daniel_millan
(371 views)

3_3 An Useful Overview of Matrix Algebra

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?.

By Antony
(301 views)

CS 267 Dense Linear Algebra: Parallel Gaussian Elimination

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

By liam
(267 views)

CS 267 Dense Linear Algebra: Parallel Gaussian Elimination

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

By Mercy
(198 views)

6.837 Linear Algebra Review

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

By sandra_john
(329 views)

Matrix Commands in Excel

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 );

By bernad
(306 views)

EGR 106 – Week 4 – Math on Arrays

EGR 106 – Week 4 – Math on Arrays

EGR 106 – Week 4 – Math on Arrays. Linear algebraic operations: Multiplication Division Row/column based operations Rest of chapter 3. Array Multiplication (Linear Algebra). In linear algebra, the matrix expression F = A * B means

By Jims
(490 views)

Matrices, Digraphs, Markov Chains & Their Use by Google

Matrices, Digraphs, Markov Chains & Their Use by Google

Matrices, Digraphs, Markov Chains & Their Use by Google. Leslie Hogben Iowa State University and American Institute of Mathematics. Bay Area Mathematical Adventures February 27, 2008. With material from Becky Atherton. Outline. Matrices Markov Chains Digraphs Google’s PageRank.

By creola
(199 views)

CSE 690: GPGPU Lecture 7: Matrix Multiplications

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

By twyla
(136 views)

NP-Completeness

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.

By norton
(180 views)

Lecture 3 Matrices

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 翁慶昌 -NTUEE SCC_09_2007.

By payton
(311 views)

Further Pure 1

Further Pure 1

Further Pure 1. Lesson 4 – Solving Simultaneous equations. Simultaneous equations. You have already learnt how to solve simultaneous equations at GCSE and AS level. We can now add a new method using Matrices. You can use matrices to solve n number of simultaneous equations with n unknowns.

By lyre
(578 views)

Part 3 - Chapter 8 Linear Algebraic Equations and Matrices

Part 3 - Chapter 8 Linear Algebraic Equations and Matrices

Part 3 - Chapter 8 Linear Algebraic Equations and Matrices. Review of Matrix Algebra Concepts. Let’s take a look at a problem that can be formulated using matrices. Suppose there are three jumpers connected by bungee cords, so that each cord is fully extended, but unstretched.

By thane
(130 views)

More Dynamic Programming

More Dynamic Programming

More Dynamic Programming. Matrix Chain Multiplication. Announcements. I posted Assignment #5 (the last one!) Due 12/6/2010 at 11:59pm Assignment #4 is due next Monday The Final is on Monday Dec. 13 4pm-6pm. Same room. Not 4:30pm!!. Matrix Multiplication Review. Shown on the board….

By odeda
(159 views)

Principal Component Analysis

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

By gay
(211 views)

Cyclic Code

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.

By qamra
(257 views)

Matrix Commands in Excel

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 );

By oded
(210 views)

Graph Theory: Cliques

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.

By toni
(834 views)

ME964 High Performance Computing for Engineering Applications

ME964 High Performance Computing for Engineering Applications

ME964 High Performance Computing for Engineering Applications. CUDA API & Execution Model Sept. 23, 2008. Before we get started…. Last Time A look at a matrix multiplication example The CUDA execution model HW3 was assigned (slightly more challenging…) Today The CUDA execution model

By tasha
(127 views)

By: David McQuilling; Jesus Caban Deng Li

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.

By udell
(108 views)

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