Questions tagged [lambert-w]

For questions on the Lambert W function, the (multi-valued) inverse of $f(z)=ze^z$ for complex $z$.

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Usages of logarithmic mean in optimization

I have recently learned about the logarithmic mean $$\frac{x-y}{\ln(x)-\ln(y)},\quad x,y > 0.$$ It is used a lot in chemical engineering optimization models e.g. see slide 15 of Developing ...