Description Usage Arguments Details Value
Get the diagonal of a distributed matrix, or construct a distributed matrix which is diagonal.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | ## S4 method for signature 'vector'
diag(x, nrow, ncol, type = "matrix", ...,
bldim = .pbd_env$BLDIM, ICTXT = .pbd_env$ICTXT)
## S4 method for signature 'character'
diag(x, nrow, ncol, type = "matrix", ...,
min = 0, max = 1, mean = 0, sd = 1, rate = 1, shape,
scale = 1, bldim = .pbd_env$BLDIM, ICTXT = .pbd_env$ICTXT)
## S4 method for signature 'ddmatrix'
diag(x)
## S4 method for signature 'matrix'
diag(x, nrow, ncol)
|
x |
distributed matrix or a vector. |
nrow, ncol |
in the case that |
type |
character. Options are 'matrix' or 'ddmatrix', with partial matching. This specifies the return type. |
... |
Extra arguments |
bldim |
blocking dimension. |
ICTXT |
BLACS context number. |
min, max |
Min and max values for random uniform generation. |
mean, sd |
Mean and standard deviation for random normal generation. |
rate |
Rate for random exponential generation. |
shape, scale |
Shape and scale parameters for random weibull generation. |
Gets the diagonal of a distributed matrix and stores it as a global R vector owned by all processes.
If a distributed matrix is passed to diag()
then it returns a
global R vector.
If a vector (numeric or character) is passed to diag()
and
type='ddmatrix'
, then the return is a diagonal distributed matrix.
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