matrixMul2.2.js

// Javascript program to multiply two
// rectangular matrices

// Multiplies two matrices mat1[][]
// and mat2[][] and prints result.
// (m1) x (m2) and (n1) x (n2) are
// dimensions of given matrices.
function multiply(m1, m2, mat1, n1, n2, mat2)
{
	let x, i, j;
	let res = new Array(m1);
	for (i = 0; i < m1; i++)
		res[i] = new Array(n2);
		
	for (i = 0; i < m1; i++)
	{
		for (j = 0; j < n2; j++)
		{
			res[i][j] = 0;
			for (x = 0; x < m2; x++)
			{
				res[i][j] += mat1[i][x] * mat2[x][j];
			}
		}
	}
	for (i = 0; i < m1; i++)
	{
		for (j = 0; j < n2; j++)
		{
			console.log(res[i][j] + " ");
		}
	//console.log('\n');
	}
}

// Driver code
	let mat1 = [ [ 2, 4 ], [ 3, 4 ] ];
	let mat2 = [ [ 1, 2 ], [ 1, 3 ] ];
	let m1 = 2, m2 = 2, n1 = 2, n2 = 2;
	
	// Function call
	multiply(m1, m2, mat1, n1, n2, mat2);