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26 lines
524 B
26 lines
524 B
5 months ago
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from .cartan_type import CartanType
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def CartanMatrix(ct):
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"""Access the Cartan matrix of a specific Lie algebra
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Examples
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========
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>>> from sympy.liealgebras.cartan_matrix import CartanMatrix
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>>> CartanMatrix("A2")
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Matrix([
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[ 2, -1],
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[-1, 2]])
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>>> CartanMatrix(['C', 3])
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Matrix([
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[ 2, -1, 0],
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[-1, 2, -1],
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[ 0, -2, 2]])
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This method works by returning the Cartan matrix
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which corresponds to Cartan type t.
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"""
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return CartanType(ct).cartan_matrix()
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