gP3.ricci_scalar().at(p) does not produce value of ricci_scalar at point p. (gP3 is my metric). whilst ricci().at(p) is working. Error message : AttributeError: 'DiffScalarFieldAlgebra_with_category.element_class' object has no attribute 'at'
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gP3.ricci_scalar().at(p) does not produce value of ricci_scalar at point p. (gP3 is my metric). whilst ricci().at(p) is working. Error message : AttributeError: 'DiffScalarFieldAlgebra_with_category.element_class' object has no attribute 'at'
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