%outer% {calculus}R Documentation

Numerical and Symbolic Outer Product

Description

Computes the outer product of two numeric or character arrays.

Usage

x %outer% y

Arguments

x

numeric or character array.

y

numeric or character array.

Details

The outer product between two arrays A and B is computed as:

C_{i_1… i_mj_1… j_n} = A_{i_1… i_m}B_{j_1… j_n}

Value

array.

References

Guidotti, E. (2020). "calculus: High dimensional numerical and symbolic calculus in R". https://arxiv.org/abs/2101.00086

See Also

Other basic arithmetic: %diff%(), %div%(), %dot%(), %inner%(), %kronecker%(), %prod%(), %sum%()

Examples

### numeric outer product 
c(1,2) %outer% c(2,3)

### symbolic outer product 
c("a","b") %outer% c("c","d")


[Package calculus version 0.3.1 Index]