Functions to get or set the names of the dimensions of an array
.
index(x)
index(x) <- value
array
.
vector of indices.
Vector of indices.
index(x) <- value
: set indices.
Guidotti E (2022). "calculus: High-Dimensional Numerical and Symbolic Calculus in R." Journal of Statistical Software, 104(5), 1-37. doi:10.18637/jss.v104.i05
Other tensor algebra:
contraction()
,
delta()
,
diagonal()
,
einstein()
,
epsilon()