ListBackend: ListBackend Class

In riemtan: Riemannian Metrics for Symmetric Positive Definite Matrices

ListBackend Class

Description

Backend implementation using in-memory list storage. This wraps the existing list-based storage mechanism for backwards compatibility.

Super class

riemtan::DataBackend -> ListBackend

Methods

Public methods

• ListBackend$new()

• ListBackend$get_matrix()

• ListBackend$get_all_matrices()

• ListBackend$length()

• ListBackend$get_dimensions()

• ListBackend$clone()

---

Method new()

Initialize a ListBackend

Usage

ListBackend$new(matrices)

Arguments

matrices

A list of dppMatrix objects

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Method get_matrix()

Get a specific matrix by index

Usage

ListBackend$get_matrix(i)

Arguments

i

Integer index

Returns

A dppMatrix object

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Method get_all_matrices()

Get all matrices

Usage

ListBackend$get_all_matrices()

Returns

A list of dppMatrix objects

---

Method length()

Get the number of matrices

Usage

ListBackend$length()

Returns

Integer count

---

Method get_dimensions()

Get matrix dimensions

Usage

ListBackend$get_dimensions()

Returns

Integer p (matrices are p x p)

---

Method clone()

The objects of this class are cloneable with this method.

Usage

ListBackend$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

riemtan documentation built on Nov. 11, 2025, 1:06 a.m.