condnums {pbdDMAT} | R Documentation |
Computes or estimates the condition number.
## S3 method for class 'ddmatrix' kappa(z, exact = FALSE, norm = NULL, method = c("qr", "direct"), ...) ## S4 method for signature 'ddmatrix' rcond(x, norm = c("O", "I", "1"), triangular = FALSE, ...)
exact |
logical. Determines whether exact condition number or approximation should be computed. |
norm |
character. Determines which matrix norm is to be used. |
method |
character. Determines the method use in computing condition number. |
... |
Extra arguments. |
x, z |
numeric distributed matrices. |
triangular |
logical. If true, only the lower triangle is used. |
Returns a number.