def potential_max_deriv_order(exprs):
    '\n    The maximum FD derivative order in a list of expressions.\n    '
    nadds = (lambda e: ((int(e.is_Add) + max([nadds(a) for a in e.args], default=0)) if (not q_leaf(e)) else 0))
    return max([nadds(e) for e in exprs], default=0)
The maximum FD derivative order in a list of expressions.
def potential_max_deriv_order(exprs):
    '\n    \n    '
    nadds = (lambda e: ((int(e.is_Add) + max([nadds(a) for a in e.args], default=0)) if (not q_leaf(e)) else 0))
    return max([nadds(e) for e in exprs], default=0)