a ž¬>> 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)Úct©rúo/Users/vegardjervell/Documents/master/model/venv/lib/python3.9/site-packages/sympy/liealgebras/cartan_matrix.pyÚ CartanMatrixsrN)Z cartan_typerrrrrrÚs