zeroflag

		public Matrix Invert()
		{
			double det = (this[0, 0] * this[1, 1]) - (this[0, 1] * this[1, 0]);

			this[0, 0] = this[1, 1] / det;
			this[0, 1] = ((-1) * this[0, 1]) / det;
			this[1, 0] = ((-1) * this[1, 0]) / det;
			this[1, 1] = this[0, 0] / det;

			return this;
		}