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I have been working on this and read a lot of articles. I am trying to get this working on my test server hosted by digital ocean. for some reason, out of...
Consider two vectors $$ u_{1} = \begin{bmatrix} -1 \\ 3 \\ 2 \\ \end{bmatrix},\quad u_{2} = \begin{bmatrix} 6 \\ 1 \\ 1 \\ \end{bmatrix} $$ I can tell the...
I have this logrotate config which is not in /etc/logrotate.d /path/to/my/logfile.log { su root root daily maxage 365000 copytruncate dateext dateformat -...
I am currently trying to self-study linear algebra. I've noticed that a lot of the definitions for terms (like eigenvectors, characteristic polynomia...
Here's an interesting problem that I came up with the other night. With straight speed dating, (assuming the number of men and women are equal) the n...
Let's say you have a set of numbers S and you want to obtain subsets of $S$, $s_1,s_2,\ldots, s_i$, where $i < N$. Is there a particular operation...
This could be a no-brainer, but when I look in ifconfig it lists two different global IPv6 addresses. Is there a reason why I'm getting two assigned?...
![How find this equation solution $2\sqrt[3]{2y-1}=y^3+1$](https://edu.smbbmcl.edu.pk/uploads/how-find-this-equation-solution-2-sqrt-3-2y-1-y-3-1_720.jpg)
find this equation roots: $$2\sqrt[3]{2y-1}=y^3+1$$ My try: since $$8(2y-1)=(y^3+1)^3=y^9+1+3y^3(y^3+1)$$ then $$y^9+3y^6+3y^3-16y+9=0$$ Then I can't...
Suppose that we are given side lengths $a, b, c, d$ of a trapezoid. We know that two of them are parallel, and all values are different. Moreover, we are ...
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