public static void main(String[] args) throws Exception { fw = new FileWriter("/Users/Main/Desktop/test.csv", false); // ※1 pw = new PrintWriter(new BufferedWriter(fw)); for (range = 1; range < 1000000; range *= 2) { for (int j = 0; j < 3; j++) { for (int i = 0; i < 1; i++) { Vector X = Vector.generate(n, range); Matrix A = Matrix.generate(n, n, range); Vector B = A.multi(X); pw.print(range); pw.print(","); pw.print(n); System.out.println(n); analysisGaussianEliminationWithPivot(A, B, X); System.out.println(); } } } pw.close(); }