laurent_to_tuples

laurent_to_tuples(expr, variables=None)

Return a list of (exponents, coefficient) where:

• exponents is a tuple of Rational exponents (one per variable),

• coefficient is the remaining factor (may be symbolic),

assuming all true variables are included in variables if given.

Parameters:

• expr (Expr | Poly)

• variables (Iterable[Symbol] | Symbol | None)

Return type:

tuple