The package provides convenience functions for advance linear algebra with tensors and computation with datasets of tensors on a higher level abstraction. It includes Einstein and Riemann summing conventions, dragging, co- and contravariate indices, parallel computations on sequences of tensors.
|Author||K. Gerald van den Boogaart <firstname.lastname@example.org>|
|Date of publication||2010-12-01 15:07:54|
|Maintainer||K. Gerald van den Boogaart <email@example.com>|
|License||GPL (>= 2)|
addtensor: Element-wise arithmetic operations +,-,*,/ with tensors
astensor: Coercion to a tensor
bindtensor: A cbind/rbind for tensors
choltensor: Cholesky decomposition of a tensor
deltatensor: Creates a Kronecker delta tensor
diagmul: Multiplication of a tensor with a tensor given by its...
diagtensor: Creates a "diagonal" tensor
dragtensor: Managing covariate and contravariate indices
einstein: Tensor multiplication with Einstein's convention, by summing...
ftabletensor: Pretty printing of tensors
invtensor: Inversion of a tensor as linear mapping from tensors to...
istensor: Checking for being a tensor
leveltensor: The level (number of indices) of a tensor
margin: Marginalization of tensors
marktensor: Marks the names of a tensor with a mark
meantensor: Mean and variance of tensors
multensor: Tensor multiplication for the tensor class
names: Getting and setting index and dimensionnames of a tensor
normtensor: Calculate the Euclidean norm or Euclidean operator norm of a...
onetensor: Creates a tensor with all entries 1
postensor: enumeration of index combinations
powertensor: Compute the power of a symmetric tensor
reordertensor: Permutation of indices and storage sequence of a tensor
reptensor: Repeats a tensor
riemann: Tensor multiplication with Riemann's convention
sequencing: Working with index sequences
slicetensor: Working with the indices of a tensor (accessing, slicing,...
solvetensor: Solving linear equations with tensors
svdtensor: Singular value decomposition of tensors
tensorA.package: The tensorA package for tensor arithmetic
tomatrixtensor: The matrix corresponding to a tensor seen as a linear mapping...
toPos: get the position of an index of tensor
totensor: Creates a tensor object
tracetensor: Collapse a tensor
tripledelta: A tensor with entry 1 if and only if three indices are equal
undroptensor: Adds a spurious dimension to a tensor
untensor: Removes indices/dimensions from a tensor