I am quite new to python and am using the sympy library to work on some
mathematical code using the parser input. The problem is that it parses the
coefficient of x as the constant when there is no constant in the
expression. Below is a simple example of what am trying to explain.
>>> parse_expr("2x", transformations=transformations)
2x
>>> eqn= parse_expr("2x", transformations=transformations)
>>> eqn.coeff('x',0)
2
>>> eqn.coeff('x')
2
]
At least am very sure eqn.coeff('x',0) which is a constant is eqn to 0
in this equation but the compiler says it is 2.
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