Given a matrix or
t returns the transpose of
a matrix or data frame, typically.
This is a generic function for which methods can be written. The
description here applies to the default and
A data frame is first coerced to a matrix: see
x is a vector, it is treated as a column, i.e., the
result is a 1-row matrix.
A matrix, with
appropriately from those of
x, and other attributes except
names copied across.
The conjugate transpose of a complex matrix A, denoted
A^H or A^*, is computed as
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.
aperm for permuting the dimensions of arrays.
a <- matrix(1:30, 5, 6) ta <- t(a) ##-- i.e., a[i, j] == ta[j, i] for all i,j : for(j in seq(ncol(a))) if(! all(a[, j] == ta[j, ])) stop("wrong transpose")
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