R6 Class for Tucker Tensors (TTensor)

A class representing Tucker tensors (TTensor). A Tucker tensor is a core tensor multiplied by a matrix along each mode.

Usage

ttensor(core = NULL, U = NULL)

Arguments

core

A Tensor object representing the core

U

A list of factor matrices

Value

A TTensor object

Public fields

core

The core Tensor object

U

List of factor matrices

Methods

Public methods

• TTensor$new()

• TTensor$dim()

• TTensor$ndims()

• TTensor$print()

• TTensor$full()

• TTensor$clone()

---

TTensor$new()

Initialize a new TTensor

Usage

TTensor$new(core = NULL, U = NULL)

Arguments

core

A Tensor object representing the core

U

A list of factor matrices

Returns

A new TTensor object

---

TTensor$dim()

Get dimensions of the tensor

Usage

TTensor$dim()

Returns

Integer vector of dimensions

---

TTensor$ndims()

Get number of dimensions

Usage

TTensor$ndims()

Returns

Integer number of dimensions

---

TTensor$print()

Print the TTensor object

Usage

TTensor$print(...)

Arguments

...

Additional arguments

Returns

Invisible self

---

TTensor$full()

Convert Tucker tensor to dense Tensor

Usage

TTensor$full()

Returns

A new Tensor object representing the full dense tensor

---

TTensor$clone()

The objects of this class are cloneable with this method.

Usage

TTensor$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.