Scalar matrix multiplication
Here given code implementation process.
//C Program
//Program for scalar multiplication of a matrix
#include<stdio.h>
#define ROW 4
#define COL 4
void scalar_multiply(int matrix[][COL],int k)
{
for (int i = 0; i < ROW; ++i)
{
for (int j = 0; j < COL; ++j)
{
//Multiply element into of k
matrix[i][j] *= k;
printf("%4d",matrix[i][j] );
}
printf("\n");
}
}
int main()
{
int matrix[][COL]= {
{1, 0, 2, 3},
{4, 1, 1, 6},
{1, 1, 1, 1},
{5, 0, 1, 2}
};
int k=3;
scalar_multiply(matrix,k);
return 0;
}
Output
3 0 6 9
12 3 3 18
3 3 3 3
15 0 3 6/*
C++ Program
Program for scalar multiplication of a matrix
*/
#include<iostream>
#define ROW 4
#define COL 4
using namespace std;
class MyMatrix {
public:
void scalar_multiply(int matrix[][COL],int k)
{
for (int i = 0; i < ROW; ++i)
{
for (int j = 0; j < COL; ++j)
{
//Multiply element into of k
matrix[i][j] *= k;
cout<<" "<<matrix[i][j] ;
}
cout<<endl;
}
}
};
int main() {
MyMatrix obj;
int matrix[][COL] = {
{1, 0, 2, 3},
{4, 1, 1, 6},
{1, 1, 1, 1},
{5, 0, 1, 2}
};
int k=3;
obj.scalar_multiply(matrix,k);
return 0;
}
Output
3 0 6 9
12 3 3 18
3 3 3 3
15 0 3 6/*
Java Program
Program for scalar multiplication of a matrix
*/
public class MyMatrix {
public void scalar_multiply(int [][]matrix,int k)
{
//Get the size of matrix
int row = matrix.length;
int col = matrix[0].length;
for (int i = 0; i < row; ++i)
{
for (int j = 0; j < col; ++j)
{
//Multiply element into of k
matrix[i][j] *= k;
System.out.print(" "+matrix[i][j] );
}
System.out.print("\n");
}
}
public static void main(String[] args) {
MyMatrix obj = new MyMatrix();
//Define matrix
int [][]matrix = {
{1, 0, 2, 3},
{4, 1, 1, 6},
{1, 1, 1, 1},
{5, 0, 1, 2}
};
int k=3;
obj.scalar_multiply(matrix,k);
}
}
Output
3 0 6 9
12 3 3 18
3 3 3 3
15 0 3 6<?php
/*
Php Program
Program for scalar multiplication of a matrix
*/
class MyMatrix {
public function scalar_multiply($matrix, $k) {
//Get the size of matrix
$row = count($matrix);
$col = count($matrix[0]);
for ($i = 0; $i < $row; ++$i) {
for ($j = 0; $j < $col; ++$j) {
//Multiply element into of k
$matrix[$i][$j] *= $k;
echo(" ". $matrix[$i][$j]);
}
echo("\n");
}
}
};
function main() {
$obj = new MyMatrix();
//Define matrix
$matrix = array(array(1, 0, 2, 3), array(4, 1, 1, 6), array(1, 1, 1, 1), array(5, 0, 1, 2));
$k = 3;
$obj->scalar_multiply($matrix, $k);
}
main();
Output
3 0 6 9
12 3 3 18
3 3 3 3
15 0 3 6/*
Node Js Program
Program for scalar multiplication of a matrix
*/
class MyMatrix {
scalar_multiply(matrix, k) {
//Get the size of matrix
var row = matrix.length;
var col = matrix[0].length;
for (var i = 0; i < row; ++i) {
for (var j = 0; j < col; ++j) {
//Multiply element into of k
matrix[i][j] *= k;
process.stdout.write(" " + matrix[i][j]);
}
process.stdout.write("\n");
}
}
}
function main(args) {
var obj = new MyMatrix();
//Define matrix
var matrix = [
[1, 0, 2, 3],
[4, 1, 1, 6],
[1, 1, 1, 1],
[5, 0, 1, 2]
];
var k = 3;
obj.scalar_multiply(matrix, k);
}
main();
Output
3 0 6 9
12 3 3 18
3 3 3 3
15 0 3 6using System;
/*
C# Program
Program for scalar multiplication of a matrix
*/
public class MyMatrix {
public void scalar_multiply(int[,] matrix, int k) {
//Get the size of matrix
int row = matrix.GetLength(0);
int col = matrix.GetLength(1);
for (int i = 0; i < row; ++i) {
for (int j = 0; j < col; ++j) {
//Multiply element into of k
matrix[i,j] *= k;
Console.Write(" " + matrix[i,j]);
}
Console.Write("\n");
}
}
public static void Main(String[] args) {
MyMatrix obj = new MyMatrix();
//Define matrix
int[,] matrix = {
{
1,
0,
2,
3
},
{
4,
1,
1,
6
},
{
1,
1,
1,
1
},
{
5,
0,
1,
2
}
};
int k = 3;
obj.scalar_multiply(matrix, k);
}
}
Output
3 0 6 9
12 3 3 18
3 3 3 3
15 0 3 6# Python 3 Program
# Program for scalar multiplication of a matrix
class MyMatrix :
def scalar_multiply(self, matrix, k) :
# Get the size of matrix
row = len(matrix)
col = len(matrix[0])
i = 0
while (i < row) :
j = 0
while (j < col) :
# Multiply element into of k
matrix[i][j] *= k
print(" ", matrix[i][j], end = "")
j += 1
print(end = "\n")
i += 1
def main() :
obj = MyMatrix()
matrix = [
[1, 0, 2, 3],
[4, 1, 1, 6],
[1, 1, 1, 1],
[5, 0, 1, 2]
]
k = 3
obj.scalar_multiply(matrix, k)
if __name__ == "__main__":
main()
Output
3 0 6 9
12 3 3 18
3 3 3 3
15 0 3 6# Ruby Program
# Program for scalar multiplication of a matrix
class MyMatrix
def scalar_multiply(matrix, k)
# Get the size of matrix
row = matrix.length
col = matrix[0].length
i = 0
while (i < row)
j = 0
while (j < col)
# Multiply element into of k
matrix[i][j] *= k
print(" ", matrix[i][j])
j += 1
end
print("\n")
i += 1
end
end
end
def main()
obj = MyMatrix.new()
matrix = [
[1, 0, 2, 3],
[4, 1, 1, 6],
[1, 1, 1, 1],
[5, 0, 1, 2]
]
k = 3
obj.scalar_multiply(matrix, k)
end
main()
Output
3 0 6 9
12 3 3 18
3 3 3 3
15 0 3 6
/*
Scala Program
Program for scalar multiplication of a matrix
*/
class MyMatrix {
def scalar_multiply(matrix: Array[Array[Int]], k: Int): Unit = {
//Get the size of matrix
val row: Int = matrix.length;
val col: Int = matrix(0).length;
var i: Int = 0;
while (i < row) {
var j: Int = 0;
while (j < col) {
//Multiply element into of k
matrix(i)(j) *= k;
print(" " + matrix(i)(j));
j += 1;
}
print("\n");
i += 1;
}
}
}
object Main {
def main(args: Array[String]): Unit = {
val obj: MyMatrix = new MyMatrix();
val matrix: Array[Array[Int]] = Array(
Array(1, 0, 2, 3),
Array(4, 1, 1, 6),
Array(1, 1, 1, 1),
Array(5, 0, 1, 2));
val k: Int = 3;
obj.scalar_multiply(matrix, k);
}
}
Output
3 0 6 9
12 3 3 18
3 3 3 3
15 0 3 6/*
Swift 4 Program
Program for scalar multiplication of a matrix
*/
class MyMatrix {
func scalar_multiply(_ matrix: inout [[Int]], _ k: Int) {
//Get the size of matrix
let row: Int = matrix.count;
let col: Int = matrix[0].count;
var i: Int = 0;
while (i < row) {
var j: Int = 0;
while (j < col) {
//Multiply element into of k
matrix[i][j] *= k;
print(" ", matrix[i][j], terminator: "");
j += 1;
}
print("\n", terminator: "");
i += 1;
}
}
}
func main() {
let obj: MyMatrix = MyMatrix();
var matrix: [
[Int]
] = [
[1, 0, 2, 3],
[4, 1, 1, 6],
[1, 1, 1, 1],
[5, 0, 1, 2]
];
let k: Int = 3;
obj.scalar_multiply(&matrix, k);
}
main();
Output
3 0 6 9
12 3 3 18
3 3 3 3
15 0 3 6
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