# Questions tagged [graphing-functions]

For questions regarding the plotting or graphing of functions. For questions about the kinds of graphs with vertices and edges, use the (graph-theory) tag instead.

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### Plotting 3x3 rotational matrices and improper rotations

I'm trying to find a good visualization for my students to help them understand 3x3-rotation matrices and improper rotations. They are tasked to solve the following two exercises (there's a bit more ...
• 718
1 vote
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### Is there an error in the Wikipedia graph of $\frac{\sin x}x$?

I was reading about the "sinc function" on Wikipedia and found the following graphs of $\dfrac{\sin x}x$ and $\dfrac{\sin(\pi x)}{\pi x}$. Part of the normalized sinc (blue) and ...
• 6,794
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### Characterising the nature of Eigen values of a given paramteric matrix

question: A{2x2} = https://files.oaiusercontent.com/file-rZmIDJV1d2325YK6eQfPFTo1?se=2024-07-18T09%3A30%3A45Z&sp=r&sv=2023-11-03&sr=b&rscc=max-age%3D299%2C%20immutable%2C%20private&...
• 1
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### Density or growth rate for Eisenstein integers by products and doing $2 x + k$

Consider these two sets of Eisenstein integers. SET 1 : constructed by these rules : a) any unit is in the set. b) if $x$ is in the set, then so is $2 x + 7$. c) if $x$ and $y$ are in the set then so ...
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