SGELSD Example
For a detailed description
and reference information on this function, please visit:
The routine computes the minimum norm solution to a real linear least squares problem:
minimize
||
using the singular value decomposition (SVD) of a
rectangular matrix b
-
A
*x
||A
, which may be
rank-deficient.Several right-hand side vectors
b
and solution
vectors x
can be handled in a single call; they
are stored as the columns of the right-hand side matrix B
and the solution matrix X
.The effective rank of
A
equals the number of the
singular values, which are greater than rcond
multiplied by the largest singular value.Fortran-77 Interface
C Interface
Please refer to the Matrix Layout section
of the C Interface Conventions for the description of Row Major (C default) and Column
Major (Fortran default).