- svd(A)
- Singular value decomposition of A (1 or 3 returnvalues).
>> A=[2 3 1; 4 4 5; 2 9 3];
>> svd(A)
ans = [ 12.263 3.697 0.9705 ]
- qr(A)
- QR-decomposition of A (2 returnvalues).
>> A=[2 3 1; 4 4 5; 2 9 3];
>> [q,r]=qr(A)
q =
-0.40825 -5.3149E-2 -0.91132
-0.8165 -0.4252 0.39057
-0.40825 0.90354 0.13019
r =
-4.899 -8.165 -5.7155
0 6.2716 0.53149
0 0 1.4321
- linsolve2( A, b)
- Solves
(1 returnvalue).
Example in chapter 2.13.1.
- linlstsq(A, b)
- Solves
, overdetermined (1 return value).
For an example see insert ``Comparison of LAPACK and Jasymca Routines''.
- eigen(A)
- Eigenvalues of A (1 returnvalue).
>> A=[2 3 1; 4 4 5; 2 9 3];
>> eigen(A)
ans = [ 11.531 1.062 -3.593 ]