of
the form
 |
(1)
|
![U=[a_(11) a_(12) ... a_(1n); 0 a_(22) ... a_(2n); | | ... |; 0 0 ... a_(nn)].](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_sTxdPEa_BpxMGp10mO_wbXpxIUGLXPMWRL57mZ14u4Nb7hQHaDj3Zd6F1-i_8cMI12O8k0x0gDpbR-sXArMQFjSfEy8USXYoTqjBb6dSxoz049qxOytHOZP2E1cBdyYXdfcVLd3ufrlKv8uDkUYX3SPFUIwYX9gzPbwL4C=s0-d) |
(2)
|
A strictly upper triangular matrix is an upper triangular matrix having 0s along the diagonal as well, i.e.,
for 
.
Tuesday, May 15, 2012
Upper Triangular Matrix
A triangular matrix of
the form
Written explicitly,
An upper triangular matrix with elements f[i,j] above the diagonal could be formed in versions of Mathematica
prior to 6 using UpperDiagonalMatrix[f, n], which could be
run after first loading LinearAlgebra`MatrixManipulation`.
A strictly upper triangular matrix is an upper triangular matrix having 0s along the diagonal as well, i.e., for .
of
the form
A strictly upper triangular matrix is an upper triangular matrix having 0s along the diagonal as well, i.e.,
for .
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