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Results tagged with soft-question
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user 8719
Questions that are about research in mathematics, or about the job of a research mathematician, without being mathematical problems or statements in the strictest sense. Do not use this tag for easy or supposedly easy mathematical questions.
21
votes
Unconventional examples of mathematical modelling
Economics offers many examples of simple models for various systems not based on physical principles. One nice example is Hotelling's line model, which gives rise to Hotelling's "law". It considers tw …
- 2,791
27
votes
2
answers
8k
views
Software for symbolic matrix calculus?
Is it possible to get widely available math software (Maple/Matlab/Mathematica, etc) to symbolically differentiate vector and scalar functions of matrices, returning the result in terms of the origina …
- 256
5
votes
10
votes
6
votes
Non-rigorous reasoning in rigorous mathematics
In mathematical statistics people often have experience about some method that works well in practice even though it "shouldn't" in all generality. The game is then to ask what conditions need to be …
- 2,791
32
votes
5
answers
2k
views
You pass X people and Y people pass you: how relatively fast are you?
This question occurs to me every time I go jogging. I suspect every runner probabilist in the world must have thought of it (though I'm no probabilist), but I could not specifically find it online. I …
- 1,391