Elementwise product of numeric or character arrays.

x %prod% y

Arguments

x

numeric or character array.

y

numeric or character array.

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%(), %outer%(), %sum%()

Examples

### vector x <- c("a+1","b+2") x %prod% x
#> [1] "(a+1) * (a+1)" "(b+2) * (b+2)"
### matrix x <- matrix(letters[1:4], ncol = 2) x %prod% x
#> [,1] [,2] #> [1,] "(a) * (a)" "(c) * (c)" #> [2,] "(b) * (b)" "(d) * (d)"
### array x <- array(letters[1:12], dim = c(2,2,3)) y <- array(1:12, dim = c(2,2,3)) x %prod% y
#> , , 1 #> #> [,1] [,2] #> [1,] "(a) * 1" "(c) * 3" #> [2,] "(b) * 2" "(d) * 4" #> #> , , 2 #> #> [,1] [,2] #> [1,] "(e) * 5" "(g) * 7" #> [2,] "(f) * 6" "(h) * 8" #> #> , , 3 #> #> [,1] [,2] #> [1,] "(i) * 9" "(k) * 11" #> [2,] "(j) * 10" "(l) * 12" #>