I don't use it so this is just a guess. It might be that it only works in approx mode, which could explain the different results you get for...
cos(2*t+3)
and
cos (2.*t+3.)
cos(2*t+3)
and
cos (2.*t+3.)
--- On Fri, 1/30/09, Simone <gems_tux@...> wrote:
> From: Simone <gems_tux@...>
> Subject: [50g] NEOPOLYS 8.1
> To: 50g@yahoogroups.com
> Date: Friday, January 30, 2009, 1:52 AM
> Hello, the command -> L (Laplace transform) of NEOPOLYS
> 8.1 fails on my HP
> 50g:
>
> cos(a*t+b) -> L Error: Bad Argument Value
> cos(2*t+3) -> L Error: Bad Argument Value
> cos (2.*t+3.) -> (1. 0.)
> (1. 0. 9.)
>
> cos(a*x+b) = (-a*sin(b)+b*cos(a)*x)/(x^2+a^2) with LAP
> command.
>
>
>
> Simone.