迭代法也称辗转法，是一种不断用变量的旧值递推新值的过程,跟迭代法相对应的是直接法（或者称为一次解法），即一次性解决问题。-Iterative method, also known as removed France, is a constant value the old value of the variable recursive process, with iterative wears corresponds to the direct method (or the first solution), a one-time problem-solving.