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QR ALGORITHM To obtain the eigenvalues of a symmetric, tridiagonal n by n matrix

computes the eigenvalues of a symmetric tridiagonal * matrix T. The user may ask for all eigenvalues, all eigenvalues in the half-open interval (VL, VU], or the IL-th through IU-th eigenvalues.

2． Using QR factorization to find all of the eigenvalues and eigenvectors for the following matrix

a software code for computing selected eigenvalues of large sparse symmetric matrices

Computes the eigenvalues and eigenvectors of a real upper-Hessenberg Matrix using the QR method.

Eigenvalues and eigenvectors

Program to solve for natural frequencies (eigenvalues) and resulting mode shapes (eigenvectors) in simple structures

This function obtains a unitary matrix Q such that: d=diag(Q *diag(lmd)*Q). In other words, it gives a way to generate a matrix with given eigenvalues and diagonal elements. By Daniel Perez Palomar (last revision: May 10, 2004). Feel free to distribute this file as it is (without including any ...

Numerical Computing with MATLAB （by Cleve Moler) is a textbook for an introductory course in numerical methods, Matlab, and technical computing. The emphasis is on in- formed use of mathematical software. We want you learn enough about the mathe- matical functions in Matlab that you will be able to ...

Toolbox for Numerical Computing with MATLAB （by Cleve Moler). Numerical Computing with MATLAB （by Cleve Moler) is a textbook for an introductory course in numerical methods, Matlab, and technical computing. The emphasis is on in- formed use of mathematical software. We want you learn enough abou ...