# Questions tagged [problem-solving]

Use this tag when you want to determine the thinking that is needed to solve a certain type of problem, as opposed to looking for a specific answer to a question.

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### Confusion regarding pole of a complex function.

I am a graduate student.I am studying complex analysis.I encountered the following problem in a lecture: Find the residue of $f(z)=\frac{z-\sinh(z)}{z^2\sinh(z)}$ at $z=\pi i$. Now,this problem is ...
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### Conceptual problems in measure theory.

I am studying measure theory as a graduate student. I have studied the theory up to integration. Now I want to test my concepts by doing some problems as the best way to learn a topic is to do ...
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### Determine the location of a logistics center which is optimally close to its providers

Excuse me if my question is not worded perfectly in mathematical terms. I don't have a strong math background. So, here's the problem which has been brought up by a real-life situation: For simplicity,...
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### Finding a vector maximising and minimising the inner product on two others vectors

I'm tying to solve a simple linear algebra problem. Let us assume that I have a vector space of dimension $R^N$. In that space I know two vectors $u$ and $v$. I want to find a vector $w$ that ...
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### The following table represents the velocity of a body as a function of time....

The following table represents the velocity of a body as a function of time. \begin{array}{c|lcr} t(s) & 0 & 10 & 18 & 23 & 29 \\ \hline v(m/s)& 22 & 26 & 37 & ...
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### Coin Flipping with Bias

This is a question on basic probability, and I wonder if my approach is correct. Moreover, if my answer is correct, I wonder if there is another way to do it without using the law of total probability ...