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<!DOCTYPE html> <html> <script src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/9.3.2/math.js"></script> <body> <h1>JavaScript</h1> <p>Adding matrices with math.js</p> <div id="demo"></div> <script> const mA = math.matrix([[1, 2], [3, 4], [5, 6]]); const mB = math.matrix([[1,-1], [2,-2], [3,-3]]); // Matrix Addition const matrixAdd = math.add(mA, mB); // Result [ [2, 1], [5, 2], [8, 3] ] document.getElementById("demo").innerHTML = matrixAdd; </script> </body> </html>