[scilab-Users] Strange problem with "integrate" : "Convergence problem..." error 24 (Scilab 4.1.2)

[Michaël Baudin]

Hi !

Maki 1sy8 a écrit :
> Hi all,
>
> So, it seems that integrate computes the integral on each subinterval
> and then sums all 'sub'-integrals automatically ?
>   
Exactly.

> By the way, which algorithm is used by Scilab for numerical quadrature ?
>   
The algorithms used are those of the quadpack library (and not quapro, as I
wrote in my previous message). The algorithm used in the previous
example is a 21-point gauss-kronrod quadrature and is located in the
quarul.f source code :
http://gitweb.scilab.org/?p=scilab;a=blob;f=scilab/modules/differential_equations/src/fortran/quarul.f;h=b35ec0fcad2e2e6e72e1e0065d8ed7bcdd5dd013;hb=HEAD

Regards,

Michaël