U L?h @sddlmZddZdS)) CartanTypecCs t|S)aAccess 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. )rZ cartan_matrix)ctrQ/var/www/html/venv/lib/python3.8/site-packages/sympy/liealgebras/cartan_matrix.py CartanMatrixsrN)Z cartan_typerrrrrrs