function sample(){ a= [[1,2,3], [4,5,6], [7,3,9]]; x = [3,1,2]; b = numeric.dot(a,x); z=numeric.det(a); ev = numeric.eig(a); var xx=ev.lambda.x; var yy=ev.E.x; alert(yy); } <!DOCTYPE html> <html> <head> <title>ミクロ経済学</title> <meta charset="UTF-8"> <script src="jquery.js"></script> <script src="sample.js"></script> <script src="numeric.js"></script> </head> <body onload="sample()"> <div id="memo" style="width: 1000px; height: 900px;">準備中</div> </body> </html>