R: Fast addition of vector to each row of matrix

add_torows {MESS} | R Documentation

## Fast addition of vector to each row of matrix

### Description

Fast addition of vector to each row of a matrix. This corresponds to t(t(x) + v)

### Usage

    add_torows(x, v)

### Arguments

`x` | A matrix with dimensions n*k.
`v` | A vector of length k.

### Value

A matrix of dimension n*k where v is added to each row of x

### Author(s)

Claus Ekstrom <claus@rprimer.dk>

### Examples

    A <- matrix(1:12, ncol=3)
    B <- c(1, 2, 3)

    add_torows(A, B)

[Package MESS version 0.5.6 Index]