Linear programming has been used many times before to detect arbitrage in FX trading. However, to use in live trading these solutions …

Let’s say you send out a survey to 100 random people with a single yes/no question. 80 people response and 60 of those 80 people say …

With the recent spread of COVID-19, I decided to take a look at infectious disease models and how these models generate the “Flattening …

Problem A2 of the 2018 Putnam Competition states:
Let \(S_1, S_2, \dots, S_{2^n-1}\) be the nonempty subsets of \(\{1,2,\dots,n\}\) in …

Problem A1 of the 2019 Putnam Competition states:
Determine all possible values of the expression \(A^3 + B^3 + C^3 − 3ABC\) where …

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