Viewing profile — _emna

> Why does this make sense to you? You have some notion of what an absolute value should be, on an intuitive or conceptual level, and the mathematical definition you give is consis…

The article you linked literally says that there are two definitions: one for real numbers and another for complex numbers. Thanks for the info.

Sorry, can you explain this? To me, it makes sense to define abs(x) = sqrt(x^2) i.e. ignoring the negative solution enforces the positive result. Using that definition, abs(i+1) = …