# R Programming: Combine three arrays so that the first row of the first array is followed by the first row of the second array and then first row of the third array

## R Programming: Array Exercise-5 with Solution

Write a R program to combine three arrays so that the first row of the first array is followed by the first row of the second array and then first row of the third array.

**Sample Solution** :

**R Programming Code :**

```
#https://bit.ly/2QkvW10
num1 = rbind(rep("A",3), rep("B",3), rep("C",3))
print("num1")
print(num1)
num2 = rbind(rep("P",3), rep("Q",3), rep("R",3))
print("num2")
print(num2)
num3 = rbind(rep("X",3), rep("Y",3), rep("Z",3))
print("num3")
print(num3)
a = matrix(t(cbind(num1,num2,num3)),ncol=3, byrow=T)
print("Combine three arrays, taking one row from each one by one:")
print(a)
```

Sample Output:

[1] "num1" [,1] [,2] [,3] [1,] "A" "A" "A" [2,] "B" "B" "B" [3,] "C" "C" "C" [1] "num2" [,1] [,2] [,3] [1,] "P" "P" "P" [2,] "Q" "Q" "Q" [3,] "R" "R" "R" [1] "num3" [,1] [,2] [,3] [1,] "X" "X" "X" [2,] "Y" "Y" "Y" [3,] "Z" "Z" "Z" [1] "Combine three arrays, taking one row from each one by one:" [,1] [,2] [,3] [1,] "A" "A" "A" [2,] "P" "P" "P" [3,] "X" "X" "X" [4,] "B" "B" "B" [5,] "Q" "Q" "Q" [6,] "Y" "Y" "Y" [7,] "C" "C" "C" [8,] "R" "R" "R" [9,] "Z" "Z" "Z"

**R Programming Code Editor:**

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**Previous:** Write a R program to create an array of two 3x3 matrices each with 3 rows and 3 columns from two given two vectors. Print the second row of the second matrix of the array and the element in the 3rd row and 3rd column of the 1st matrix.

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