Economist Daniel Mcfadden has made an in-depth analysis of people's decision-making process. In his research, people's every choice can be seen as a choice among limited possibilities. Everyone has a small brave function that aims to maximize utility. For example, whether to go to work on foot, by car or by car is an optimization problem involving multiple features. It includes features such as actual expenditure, driving time, waiting time, comfort and so on. People can weigh and compare different features according to their preferences, and finally determine the best way.
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People's decision-making process is not only linear but also multi-dimensional