Ubuntu Feisty 7.04 manual page repository

Ubuntu is a free computer operating system based on the Linux kernel. Many IT companies, like DeployIS is using it to provide an up-to-date, stable operating system.

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     COMPLEX*16  AB( LDAB, * ) Zdbtrf computes an LU factorization


 (input/output)  COMPLEX*16          array,  dimension (LDAB,N) On
 < 0: if INFO = ‐i, the i‐th argument had an illegal value
 >  0: if INFO = +i, U(i,i) is exactly zero. The factorization has
     *   a12  a23  a34  a45  a56      *   u12  u23  u34  u45  u56
    a11  a22  a33  a44  a55  a66     u11  u22  u33  u44  u55  u66
    a21  a32  a43  a54  a65   *      m21  m32  m43  m54  m65   *
    a31  a42  a53  a64   *    *      m31  m42  m53  m64   *    *


What does Ubuntu mean?
Ubuntu is an African word meaning 'Humanity to others', or 'I am what I am because of who we all are'. The Ubuntu distribution brings the spirit of Ubuntu to the software world.