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# How to create a matrix with only one row in R?

To create a matrix with only one row in R, we can set the nrow argument of matrix function to 1.

For example, if we want to create a matrix say M with only one row then it can be done by using the command given below −

M<-matrix(1:5,nrow=1)

Check out the below examples to understand the output of one row matrix.

## Example 1

To create a matrix with only one row in R, use the code given below −

M1<-matrix(rpois(5,1),nrow=1) M1

The following matrix is created −

[,1] [,2] [,3] [,4] [,5] [1,] 0 2 1 1 1

## Example 2

To create a matrix with only one row in R, use the code given below −

M2<-matrix(rpois(5,5),nrow=1) M2

The following matrix is created −

[,1] [,2] [,3] [,4] [,5] [1,] 2 4 6 8 2

## Example 3

To create a matrix with only one row in R, use the code given below −

M3<-matrix(rpois(10,5),nrow=1) M3

The following matrix is created −

[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [1,] 8 7 3 2 5 5 6 6 4 3

## Example 4

To create a matrix with only one row in R, use the code given below −

M4<-matrix(rpois(2,5),nrow=1) M4

The following matrix is created −

[,1] [,2] [1,] 2 3

## Example 5

To create a matrix with only one row in R, use the code given below −

M5<-matrix(rpois(2,50),nrow=1) M5

The following matrix is created −

[,1] [,2] [1,] 37 38

## Example 6

To create a matrix with only one row in R, use the code given below −

M6<-matrix(rpois(10,50),nrow=1) M6

The following matrix is created −

[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [1,] 62 49 46 53 49 58 50 48 49 53

## Example 7

To create a matrix with only one row in R, use the code given below −

M7<-matrix(rnorm(6),nrow=1) M7

The following matrix is created −

[,1] [,2] [,3] [,4] [,5] [,6] [1,] 0.9545686 0.5495047 1.403797 -0.1845401 0.5164328 -0.9767084

## Example 8

To create a matrix with only one row in R, use the code given below −

M8<-matrix(rnorm(6,10,2),nrow=1) M8

The following matrix is created −

[,1] [,2] [,3] [,4] [,5] [,6] [1,] 10.35974 7.565574 9.575034 13.29151 6.77356 9.180579

## Example 9

To create a matrix with only one row in R, use the code given below −

M9<-matrix(runif(3,2,10),nrow=1) M9

The following matrix is created −

[,1] [,2] [,3] [1,] 4.652802 2.331193 9.452688

## Example 10

To create a matrix with only one row in R, use the code given below −

M10<-matrix(rexp(4),nrow=1) M10

The following matrix is created −

[,1] [,2] [,3] [,4] [1,] 0.9369164 4.111468 1.368531 1.036329

## Example 11

To create a matrix with only one row in R, use the code given below −

M11<-matrix(round(rnorm(5),2),nrow=1) M11

The following matrix is created −

[,1] [,2] [,3] [,4] [,5] [1,] 0.25 2.8 -0.49 -0.68 -0.1

## Example 12

To create a matrix with only one row in R, use the code given below −

M12<-matrix(round(runif(3,2,10),2),nrow=1) M12

The following matrix is created −

[,1] [,2] [,3] [1,] 4.75 6.62 6.56

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