On Saturday, 16 September 2017 at 02:27:23 UTC, Timon Gehr wrote:
On 15.09.2017 06:14, Joseph wrote:
... How can be be taken seriously if
his rebuttle has basic mistakes and typos?
:-)
https://people.eecs.berkeley.edu/~wkahan/EndErErs.pdf
page 5:
(y - sqrt(y^2 + 1)) - 1/(y + sqrt(y^2 + 1))
is not zero for all y.
I assume he means
at
(y - sqrt(y^2 + 1)) + 1/(y + sqrt(y^2 + 1))
No, he means what he wrote, which is
|y-√(y²+1)| - 1/(y+√(y²+1)).
In D notation:
abs(y-sqrt(y^^2+1)) - 1/(y+sqrt(y^^2+1)).
What are you saying? You haven't changed anything but slight
notational differences. It's still wrong, so if he really means
that then he is wrong, else it's just you.