colLogSumExps,DelayedMatrix-method {DelayedMatrixStats} | R Documentation |
Accurately calculates the logarithm of the sum of exponentials for each row (column) of a matrix-like object.
## S4 method for signature 'DelayedMatrix' colLogSumExps( lx, rows = NULL, cols = NULL, na.rm = FALSE, force_block_processing = FALSE, ... ) ## S4 method for signature 'DelayedMatrix' rowLogSumExps( lx, rows = NULL, cols = NULL, na.rm = FALSE, force_block_processing = FALSE, ... )
lx |
A NxK DelayedMatrix. Typically, |
rows |
A |
cols |
A |
na.rm |
|
force_block_processing |
|
... |
Additional arguments passed to specific methods. |
The S4 methods for x
of type matrix
,
array
, or numeric
call
matrixStats::rowLogSumExps
/ matrixStats::colLogSumExps
.
Returns a numeric
vector
of length N (K).
Peter Hickey
matrixStats::rowLogSumExps()
and
matrixStats::colLogSumExps()
which are used when the input is a matrix
or numeric
vector.
x <- DelayedArray(matrix(runif(10), ncol = 2)) colLogSumExps(log(x)) rowLogSumExps(log(x))