Suppose we need to design a system f(x) with parameter x according to some criterion T, and we do not have an analytic expression of f(x), but we know that if we increase x, then f(x) is also non-linearly increased. A solution can be obtained via:
1) initial guess of x,
2) obtain f(x),
3) if f(x)>T, decrease x, go to 2),
4) else, stop, output x.
We call the above a heuristic method or an empirical method?
Venkata Prasad Palakiti
The above methods seems like a heuristic. Heuristic is a kind of approximation search method to generate feasible solutions. Some times you might get optimal solutions. This is more related to problem specific.
Empirical method is about answering the research question using statistical techniques.
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