Re: need help in plotting curve

[fibonacci4]

Am 17.09.19 um 19:33 schrieb navshinder:
> hi,
> I'm trying a dynamics problem and trying to plot the displacement with
> respect to time function.  However I'm returned with an error message
> "subscripts must be either integers 1 to (2^63)-1 or logicals
> error: called from
>      utvst at line 7 column 3"
> which I'm not able to figure out
> thanks
>
> t = linspace(0,0.01,500);
> x0 = 0.01;
> xdot0 = 0.1;
> m = 40;
> k = 3500;
> omega = sqrt(k/m);
> ut = sum((x0.*cos(omega.*t))+((xdot0/omega)(sin(omega.*t))));
> plot(ut,t)
>
>
>
>
> --
> Sent from: https://octave.1599824.n4.nabble.com/Octave-General-f1599825.html
Looks to me as if in the line ut=... there is missing a * between

(xdot0/omega) and (sin(omega.*t))
.

(xdot0/omega)