Matrix Multiplication Node.js Program

Here is a basic Node.js program to perform matrix multiplication.

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Source Code:

let r = 2;
let c = 2;
const mA = [[1, 2], [3, 4]];
const mB = [[1,-1], [2,-2]];
const mC = [[],[]];

for(let i=0;i<r;i++)    
{    
    for(let j=0;j<c;j++)    
    {    
        mC[i][j]=0;    
        for(let k=0;k<c;k++)    
        {    
            mC[i][j]= mC[i][j] + mA[i][k]*mB[k][j];    
        }    
    }    
}   

console.log(mC);

Output:

[ [ 5, -5 ], [ 11, -11 ] ]