grapes-sum-grapes function

Numerical and Symbolic Sum

Elementwise sum of numeric or character arrays.

x %sum% y

Arguments

• x: numeric or character array.
• y: numeric or character array.

Returns

array.

Examples

### vector 
x <- c("a+1","b+2")
x %sum% x

### matrix 
x <- matrix(letters[1:4], ncol = 2)
x %sum% x

### array
x <- array(letters[1:12], dim = c(2,2,3))
y <- array(1:12, dim = c(2,2,3))
x %sum% y

References

Guidotti E (2022). "calculus: High-Dimensional Numerical and Symbolic Calculus in R." Journal of Statistical Software, 104(5), 1-37. tools:::Rd_expr_doi("10.18637/jss.v104.i05")

See Also

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