50g

INPUT METHOD:

a) first [+/-] and then number -> NEG Error: Bad Argument Type or ABS
Error: Bad Argument Type!
b) first [-] and then number -> ok
c) first number and then [+/-] -> ok

--- In 50g@yahoogroups.com, "ucho oddone" <ucho92@...> wrote:
>
> Are you sure it wasn't the aprox thing that TW told you?
> That's very weird, I never had that problem when I used those
programs for
> Control systems!
> But my calc was, as I remember, in Approximation mode.
>
> it just seem strange to enter [-] instead of [+/-]
>
>
>
>
>
> On Sat, May 24, 2008 at 04:16, Simone <gems_tux@...> wrote:
>
> > --- In 50g@yahoogroups.com <50g%40yahoogroups.com>, "Simone"
<gems_tux@>
> > wrote:
> > >
> > > Hello, I'm learning to use program BODE-ROUTH
> > > (http://www.hpcalc.org/details. php? id=3176), that it uses NEOPOLYS
> > > (http://www.hpcalc.org/details. php? id=3169). But when I try to
> > > insert the negative coefficients or negative roots of the polynomial
> > > at the numerator and at the denominator, and trying to trace the
> > > diagram, for example Bode, give back error to me:
> > >
> > > NEG Error: Bad Argument Type or
> > > ABS Error: Bad Argument Type!
> > >
> > > I have tried also on the emu48 but the behavior is the same one.
> > >
> > > e.g.:
> > >
> > > 2: {1 -2 1}
> > > 1: {1 -3 2 -1}
> > >
> > > 2: {1 2 1}
> > > 1: {{0 1 -2 -3}}
> > >
> > > With all the positive values they do not give error to me.
Someone can
> > > help me? Best regards, Simone.
> > >
> >
> > I have resolved the problem using the key [-] and not [+/-]
> >
> > Simone
> >
> >
> >
>