Difference between ≈, ≃, and ≅ - Mathematics Stack Exchange In my work "=" is the identity of a number so it states an equivalence 1=1, 2x=10 ie x =5 The approximation sign "≈" I use for decimal approximations with tilde "~" being a rougher approximation
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Programación Lineal (PL) - Mathematics Stack Exchange Todas las semanas se podrían comprar 200 barriles de crudo 1 a 2 dólares el barril y 300 barriles de crudo 2 a 3 dólares el barril Toda la gasolina producida se podría vender a los precios siguientes por barril: gasolina 1, 9 dólares; gasolina 2, 10 dólares; gasolina 3, 24 dólares Plantee un modelo de PL que maximice las utilidades
Pole-zero cancelation method for PI controller design I think it is ill-advised in practice to do pole-zero cancellation Unstable pole-zero cancellation is just plain bad (the closed loop will be unstable) but stable pole-zero cancellation is also not great for practical reasons
Using the distributivity law for propositional logic Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers