matlab (version 1.0.2)

sum: MATLAB sum function

Description

Provides sum of elements.

Usage

sum(x, na.rm=FALSE)

Arguments

x

numeric or logical to be summed

na.rm

logical scalar. If TRUE, remove missing values

Value

Return value depends on argument x. If vector, returns the same as sum. If matrix, returns vector containing the sum of each column.

Details

This is an S4 generic function.

Examples

sum(1:9)
sum(matrix(1:9, 3, 3))