ó ¡¼™\c@sddlmZd„ZdS(i(t CartanTypecCst|ƒjƒS(s›Access the Cartan matrix of a specific Lie algebra Examples ======== >>> from sympy.liealgebras.cartan_matrix import CartanMatrix >>> CartanMatrix("A2") Matrix([ [ 2, -1], [-1, 2]]) >>> CartanMatrix(['C', 3]) Matrix([ [ 2, -1, 0], [-1, 2, -1], [ 0, -2, 2]]) This method works by returning the Cartan matrix which corresponds to Cartan type t. (Rt cartan_matrix(tct((s>lib/python2.7/site-packages/sympy/liealgebras/cartan_matrix.pyt CartanMatrixsN(t cartan_typeRR(((s>lib/python2.7/site-packages/sympy/liealgebras/cartan_matrix.pyts