public void TestTranspose()
        {
            IntersectionMatrix x = new IntersectionMatrix("012*TF012");

            IntersectionMatrix i = new IntersectionMatrix(x);
            IntersectionMatrix j = i.Transpose();
            Assert.AreSame(i, j);

            Assert.AreEqual("0*01T12F2", i.ToString());

            Assert.AreEqual("012*TF012", x.ToString());
        }