System.out.println("\t\t\tMenú:"); 				System.out.println(); 				System.out.println("1. Add the two matrices"); 				System.out.println("2. Substract the two matrices"); 				System.out.println("3. Multiply two matrices"); 				System.out.println("4. Find the trace of a matrix"); 				System.out.println("5. Find the transpose of a matrix"); 				System.out.println("6. Find the determinant of a matrix"); 				System.out.println("7. Compute the Frobenius norm of a matrix"); 				System.out.println("8. Change matrices"); 				System.out.println("9. Display the matrices"); 				System.out.println("10. Quit");