nlr (version 0.1-3)

fullqr: full rank QR decomposition.

Description

Is actual QR decomposition matrix, created for compatibility to nlr package functions.

Usage

fullqr(x)

Arguments

x

A Square matrix.

Value

List of standard matrix form to be used in internal functions in nlr.

• qq matrix.

• rr matrix.

• q2q2 is from partition of Q=[q1|q2] matrix.

• r1 r1 is from partition of R=[R1/0] matrix.

• rinvis generalized inverse of r1.

• arQR decomposition result from qr function.

Details

Compute QR matrices, and provide explicit matrix form of lower triangular and upper triangular matrices.

References

Riazoshams H, Midi H, and Ghilagaber G, 2018,. Robust Nonlinear Regression, with Application using R, Joh Wiley and Sons.

See Also

nlsqr

Examples

# NOT RUN {
 a1=matrix(c(1,2,3,4,5,6,7,8,9),nrow=3)
 fullqr(a1)
# }