If you integrate from 0 to 5 you will get the right answer.
Most of this integrand IS zero, so insufficient sampling gets
you 0.0. A better integration program might notice this.
Gosse Michel wrote:
>Hello
>
>Is it possible to calculate with maxima :
>integrate(t**(10.84)*2.71828**(-t*t),t,0,1000);
>maxima 5.9 returns nothing. It seems that the result is 52.37.
>I have tried with romberg and it returns 0.0 (with translating the
>function)
>
>Another try :
>integrate(f**(2/9.84),f,0,1000);
>returns 299. However, it is 1218.
>
>Best regards
>
>