Rank: 1566 based on 39 downloads (last 30 days) and 5 files submitted
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Nick Higham

E-mail
Company/University
Univ of Manchester

Personal Profile:

Nick Higham is Richardson Professor of Applied Mathematics and Head of
the Numerical Analysis Group in the Department of Mathematics,
University of Manchester.

Professional Interests:

 

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Files Posted by Nick View all
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(last 30 days) 		Comments Rating
24 Oct 2011 Screenshot Matrix logarithm Two functions for computing the matrix logarithm by the inverse scaling and squaring method. Author: Nick Higham mathematics matrix ma... 6 0
24 Feb 2011 Screenshot Arbitrary real power of a matrix by Schur-Pade algorithm Computing an arbitrary real power of a square matrix by a Schur-Pade algorithm. Author: Nick Higham matrix, mathematics 4 0
30 Nov 2010 Screenshot Matrix exponential times a vector. Computing the matrix exponential times a vector without explicitly computing the matrix exponential. Author: Nick Higham mathematics, matrix, matrix exponential 5 1
  • 5.0
5.0 | 1 rating
23 Jul 2008 The Matrix Function Toolbox A MATLAB toolbox connected with functions of matrices. Author: Nick Higham mathematics, matrix function, exponential, logarithm, square root, sign function 13 1
  • 5.0
5.0 | 1 rating
11 Sep 2002 Screenshot The Matrix Computation Toolbox A collection of M-files for carrying out various numerical linear algebra tasks. Author: Nick Higham linear algebra, linear, test matrices, gaussian elimination, matrix factorizations 11 12
  • 4.38889
4.4 | 19 ratings
Comments and Ratings on Nick's Files View all
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08 Nov 2011 The Matrix Function Toolbox A MATLAB toolbox connected with functions of matrices. Author: Nick Higham Matusov, Peter

Very nice package, and well-documented. Thanks!
15 Jun 2011 Matrix exponential times a vector. Computing the matrix exponential times a vector without explicitly computing the matrix exponential. Author: Nick Higham Ohad
13 Jun 2011 Matrix exponential times a vector. Computing the matrix exponential times a vector without explicitly computing the matrix exponential. Author: Nick Higham Ohad

Has anyone used this algorithm with large matrices?
It seems to be extremely fast for small matrices, but on matrices on the order of gigabytes I get much slower results than simpler methods.
03 Dec 2007 The Matrix Computation Toolbox A collection of M-files for carrying out various numerical linear algebra tasks. Author: Nick Higham Neo, Michalis
29 Nov 2007 The Matrix Computation Toolbox A collection of M-files for carrying out various numerical linear algebra tasks. Author: Nick Higham Tapas, George

good job

Top Tags Applied by Nick
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mathematics, matrix, exponential, gaussian elimination, linear
Files Tagged by Nick View all
  • 1 - 5 of
  • 5
Updated   File Tags Downloads
(last 30 days) 		Comments Rating
24 Oct 2011 Screenshot Matrix logarithm Two functions for computing the matrix logarithm by the inverse scaling and squaring method. Author: Nick Higham mathematics matrix ma... 6 0
24 Feb 2011 Screenshot Arbitrary real power of a matrix by Schur-Pade algorithm Computing an arbitrary real power of a square matrix by a Schur-Pade algorithm. Author: Nick Higham matrix, mathematics 4 0
30 Nov 2010 Screenshot Matrix exponential times a vector. Computing the matrix exponential times a vector without explicitly computing the matrix exponential. Author: Nick Higham mathematics, matrix, matrix exponential 5 1
  • 5.0
5.0 | 1 rating
23 Jul 2008 The Matrix Function Toolbox A MATLAB toolbox connected with functions of matrices. Author: Nick Higham mathematics, matrix function, exponential, logarithm, square root, sign function 13 1
  • 5.0
5.0 | 1 rating
11 Sep 2002 Screenshot The Matrix Computation Toolbox A collection of M-files for carrying out various numerical linear algebra tasks. Author: Nick Higham linear algebra, linear, test matrices, gaussian elimination, matrix factorizations 11 12
  • 4.38889
4.4 | 19 ratings

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