3 ms·

I don't understand the starting point of this blog post. Why should one intuitively think that |z|^2 = zz? I've never seen anyone been confused by this. It's li

I don't understand the starting point of this blog post. Why should one intuitively think that |z|^2 = zz? I've never seen anyone been confused by this. It's like writing an article about why 2*3 can't be 5 or something.

mikewarot 2y ago
Because it happens to work when Z has no imaginary component.
griffzhowl 2y ago
> Why should one intuitively think that |z|^2 = zz? I guess because it's true for the reals. But yeah, I agree anyone who has got 10 minutes into an explanation of complex arithmetic should have got that far... I guess it's directed at people not acquainted with complex numbers much at all