as.array.tensor: Strip array labels

In ricci: Ricci Calculus

Strip array labels

Description

Converts a tensor() to an array() by stripping the index labels. An index label order needs to be provided so that the array's dim() order is well defined.

Usage

## S3 method for class 'tensor'
as.array(
  x,
  index_order = NULL,
  ...,
  arg = "index_order",
  call = rlang::caller_env()
)

Arguments

x	A labeled array ("tensor" object) created by %_% or tensor().
index_order	An index specification created with .(). The specification needs to match all the labels occurring in x. The label order determines the dimension order of the resulting array.
...	Not used.
arg, call	Used for error handling. Can be ignored by the user.

Value

The tensor components as usual array() object without any index labels attached.

Examples

array(1:8, dim = c(2, 2, 2)) %_% .(i, +i, k) |> as.array(.(k))

ricci documentation built on Sept. 9, 2025, 5:56 p.m.