%sum% {calculus}

Numerical and Symbolic Sum

Description

Elementwise sum of numeric or character arrays.

Usage

x %sum% y

Arguments

x

numeric or character array.

y

numeric or character array.

Value

array.

References

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

See Also

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

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