Hello.
Have you try With décimal fractions instead of float values ?
Le 1 oct. 2015 21:39, "Thomas Judson" <twjud...@gmail.com> a écrit :
> Does anyone have any idea what is going on with the following code?
>
> var('t')
> g = 9.8
> m = 80
> c = 1/(2*sqrt(3))
> f(x) = tanh(x)
> v(t) = sqrt(g*m/c)*f(sqrt(g*c/m)*t)
> T = 18.13
> sum(v(t)*T/800 for t in srange(0,T,T/800)).n(digits=8)
> sum(v(t)*T/800 for t in srange(0,T,T/800)).n(digits=7)
> sum(v(t)*T/800 for t in srange(0,T,T/800)).n(digits=6)
> sum(v(t)*T/800 for t in srange(0,T,T/800)).n(digits=5)
> sum(v(t)*T/800 for t in srange(0,T,T/800)).n(digits=4)
> sum(v(t)*T/800 for t in srange(0,T,T/800)).n(digits=3)
> sum(v(t)*T/800 for t in srange(0,T,T/800)).n(digits=2)
> t
>
> 752.44705
> 752.4470
> 752.448
> 752.44
> 752.4
> 754.
> 710.
>
> Tom Judson
>
>
>
>
> =========
> Thomas W. Judson, Associate Professor
> Department of Mathematics and Statistics
> Stephen F. Austin State University
> P.O. Box 13040-3040 SFA Station
> Nacogdoches, TX 75962
>
> OFFICE: 316 Math
> TEL: (936) 468-1704
> EMAIL: judso...@sfasu.edu
>
>
>
>
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