%outer% | R Documentation |
Computes the outer product of two numeric
or character
arrays.
x %outer% y
x |
|
y |
|
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}
array
.
Guidotti E (2022). "calculus: High-Dimensional Numerical and Symbolic Calculus in R." Journal of Statistical Software, 104(5), 1-37. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.18637/jss.v104.i05")}
Other basic arithmetic:
%diff%()
,
%div%()
,
%dot%()
,
%inner%()
,
%kronecker%()
,
%prod%()
,
%sum%()
### numeric outer product
c(1,2) %outer% c(2,3)
### symbolic outer product
c("a","b") %outer% c("c","d")
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