t-methods {rTensor}

Tensor Transpose

Description

Implements the tensor transpose based on block circulant matrices (Kilmer et al. 2013) for 3-tensors.

Usage

## S4 method for signature 'Tensor'
t(x)

Arguments

x

a 3-tensor

Details

t(x)

Value

tensor transpose of x

References

M. Kilmer, K. Braman, N. Hao, and R. Hoover, "Third-order tensors as operators on matrices: a theoretical and computational framework with applications in imaging". SIAM Journal on Matrix Analysis and Applications 2013.

Examples

tnsr <- rand_tensor()
identical(t(tnsr)@data[,,1],t(tnsr@data[,,1]))
identical(t(tnsr)@data[,,2],t(tnsr@data[,,5]))
identical(t(t(tnsr)),tnsr)