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 6
using 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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