English is my second language and I have a question. What does "s.t." mean? $ \\text{min} \\quad f(x) = (x_1−2)^2+(x_2−1)^2 $ $ \\text{s.t.}\\qquad g_{1}(x) = x ...

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The problem with the St. Petersburg paradox is similar to that with my makeshift example: In that one, you would be comfortable with playing this game if you could borrow money indefinitely, so that even …

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Taking the maximal number amongst the parameters. $\max\ {x_1,x_2\} = \cases {x_1, \text {if }x_1 > x_2\\x_2, \text {otherwise}}$ You can define like that the maximum of any finitely many elements. …

6 The notion $s^t$ where $s,t$ are elements of a group denotes the conjugation, and is, as @BabakSorouh mentioned, equal to $t^ {-1}st$

Jul 19, 2023 · Develop mental math skills: Strengthen your mental math abilities by practicing mental calculations, such as addition, subtraction, multiplication, and division. Learn techniques like …

Feb 25, 2018 · I am required to prove that if $S$ and $T$ are linear operator on a vector space $V$ then $ST$ and $TS$ have the same eigenvalues could you please provide some hints to get me going …

Nov 23, 2020 · Could somebody explain why for any given linear maps S and T over a finite dimensional vector space V, ST is invertible if and only if TS is? Why is it so important that V is finite dimensional …

Sep 25, 2024 · The rings $\mathbb {Z}_ {st}$ and $\mathbb {Z}_s \times \mathbb {Z}_t$ are isomorphic in this case, and so their respective groups of units are, too. But yes, the Chinese Remainder …