Computes the outer product of two numeric
or character
arrays.
x %outer% y
numeric
or character
array.
numeric
or character
array.
array
.
The outer product between two arrays A
and B
is computed as:
$$C_{i_1\dots i_mj_1\dots j_n} = A_{i_1\dots i_m}B_{j_1\dots j_n}$$
Guidotti, E. (2020). "calculus: High dimensional numerical and symbolic calculus in R". https://arxiv.org/abs/2101.00086