问题—>（逻辑思维推理）—>
方法—>计算思维—>算法。
算法的形式是玩弄数据和概念
算：数据的计算；
法：方法、逻辑、标准；
算法是问题求解逻辑的描述（表达）。
methodology is more general form of any solution. it provided a way how to solve any problem but in algorithm the way is more precisely formulated towards solution.
https://cn.bing.com/search?q=algorithm+methodology+&FORM=BESBTB&ensearch=1
Definition - What does Algorithm mean?
An algorithm is a step by step method of solving a problem. It is commonly used for data processing, calculation and other related computer and mathematical operations.
An algorithm is also used to manipulate data in various ways, such as inserting a new data item, searching for a particular item or sorting an item.
https://www.techopedia.com/definition/3739/algorithm