On Thursday 19 May 2005 09:39, Luke Palmer wrote:
> On 5/19/05, Edward Cherlin <[EMAIL PROTECTED]> wrote:
> > It turns out that the domain and range and the location of
> > the cut lines have to be worked out separately for different
> > functions. Mathematical practice is not entirely consistent
>
Edward Cherlin wrote:
There was a discussion of the principal value of square root on
this list some time back, making the point that for positive
[...]
It turns out that the domain and range and the location of the
cut lines have to be worked out separately for different
functions. Mathemat
On 5/19/05, Edward Cherlin <[EMAIL PROTECTED]> wrote:
> It turns out that the domain and range and the location of the
> cut lines have to be worked out separately for different
> functions. Mathematical practice is not entirely consistent in
> making these decisions, but in programming, there seem
There was a discussion of the principal value of square root on
this list some time back, making the point that for positive
real numbers the positive square root is the value of the
standard function. In the complex plane it is desirable to
define the principal value at every point so as to pr
