Homedecodecalc_valuecalc_valueclass SubstitutedExpressionSubstitutedExpression(coeff: 'dict[tuple[int, ...], float]', constant: 'float', order: 'int')add (self, other) -> -from_serializable (data) -> -is_constant (self) -> -mul (self, other) -> -power (self, exponent) -> -to_serializable (self) -> -calc_value (deci_var, subs_expr) -> -