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General matrices: least squares
Dense LA » Linear system solvers

Solves \(Ax \approx b\) where \(A\) is rectangular. More...

## Topics

| gels: Least squares solves Ax = b using QR factorization (driver)
| gglse: Least squares solves Ax = b subject to Bx = d (driver)
| geqrsv: Solves Ax = b using QR factorization (driver)

## Detailed Description

Solves \(Ax \approx b\) where \(A\) is rectangular.

See also
  Orthogonal/unitary factorizations