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Bookmark or Share- What does "s.t." mean? - Mathematics Stack ExchangeUsually in optimization problems s.t. is written to denote subject to because, an optimization problem is usually of the form: Optimize f(x) subject to the constraint g(x) In general mathematics and logic, such that is written as a colon(:), for e.g. $${x^2: \exists n > x \forall n \in \mathbb{N} }$$
- Is a matrix multiplied with its transpose something special?In my math lectures, we talked about the Gram-Determinant where a matrix times its transpose are multiplied together.
- Proving that there exists an irrational number in between any given ...Possible Duplicate: Density of irrationals I am trying to prove that there exists an irrational number between any two real numbers a and b. I already know that a rational number between the t...
- Why does T = S1 work for conics? - Mathematics Stack ExchangeHere is a graphical representation in the case of an ellipse : *Fig. 1.$ First version : analytic geometry calculations.
- linear algebra - Proving $S+T$ is a subspace of $\mathbb{R}^{n ...$S$ and $T$ are subspaces of $\mathbb{R}^{n}$ and is defined as $S+T = \{v+w \mid v \in S \; and \; w \in T\}$.
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