def __to_numeric(self, expr):
output = expr
for key in self.reference.keys():
output = output.subs(key, self.reference[key])
for key in constants.keys():
output = output.subs(key, constants[key])
return output
def to_numeric(expr):
if isinstance(expr, np.ndarray):
return np.array(map(to_numeric, expr))
output = expr
for key in constants.keys():
try:
output = output.subs(key, constants[key])
except AttributeError:
pass
return np.float(output)