Condition number of a matrix, estimated or exact. Equivalent to R's kappa().
By default (as in R) this is the LINPACK estimate of the one-norm condition number, computed on the
triangular factor R of the QR decomposition. With exact: true and the default norm: "2", it is the ratio
of the largest to the smallest singular value (computed with svd); Infinity if the matrix is singular.
Condition number of a matrix, estimated or exact. Equivalent to R's
kappa().By default (as in R) this is the LINPACK estimate of the one-norm condition number, computed on the triangular factor
Rof the QR decomposition. Withexact: trueand the defaultnorm: "2", it is the ratio of the largest to the smallest singular value (computed with svd);Infinityif the matrix is singular.