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Re: How to use Mathematica find the solution of an
Posted:
May 24, 2013 5:25 AM


The equation does not appear to have a solution except as a limit (from below) but then the solution is either 1 or 1.
eqn = Arg[(I/((1 + I w)^2 w))] == Pi;
eqn // Simplify
False
eqn /. {{w > 1}, {w > 1}}
{False, False}
Limit[Arg[(I/((1 + I w)^2 w))], w > 1, Direction > 1] == Pi
True
Limit[Arg[(I/((1 + I w)^2 w))], w > 1, Direction > 1] == Pi
True
Bob Hanlon
On Thu, May 23, 2013 at 4:04 AM, Eduardo M. A. M. Mendes < emammendes@gmail.com> wrote:
> Hello > > I need to solve the following equation: > > Arg[(I/((1+I \[Omega])^2 \[Omega]))]==\[Pi] > > I have tried Solve (empty output), Reduce (it gives some results but not > the answer Omega=1) and FindRoot (it gives Omega=1 but it is a > numerical search). Is there a way to get the solution not using a > numerical search? > > Many thanks > > Ed > > PS. I need to solve several equation of the same kind. > >



