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la.matrixFunctions.rrqr
Compute rank-revealing QR decomposition with column pivoting.
Syntax
la.matrixFunctions.rrqr(A, options?)
Description
Compute rank-revealing QR decomposition with column pivoting. Computes A*P = Q*R where P is a permutation matrix chosen to reveal the numerical rank of A. Uses DGEQP3 from LAPACK.
Parameters
| Name | Description |
|---|---|
| A | - Input matrix (m × n) |
| options(optional) | - RRQR options |
Returns
RRQRResult