
Ublas : 
From: Gunter Winkler (guwi17_at_[hidden])
Date: 20080825 16:25:10
Ð˜Ð²Ð¾Ð»Ð³Ð¸Ð½ ÐÑ€Ð´Ð°Ð»Ð¸Ð¾Ð½ schrieb:
> Check failed in .../include/boost/numeric/ublas/lu.hpp at line 157:
> singular != 0  detail::expression_type_check (prod (triangular_adaptor<matrix_type, unit_lower> (m), triangular_adaptor<matrix_type, upper> (m)), cm)
>
>
This assertion say that your matrix is either singular (which is true
for the given example) or the product of the two factors differs from
the original matrix (which is also true if the factorization broke down)
It should work for a nonsingular matrix.
mfg
Gunter