- the dimension of the kernel of the matrix of which *this is the LU decomposition.
- This method has to determine which pivots should be considered nonzero. For that, it uses the threshold value that you can control by calling setThreshold(const RealScalar&).
Definition at line 322 of file FullPivLU.h.
References FullPivLU< _MatrixType >::rank().
ei_assert(m_isInitialized && "LU is not initialized.");
return cols() - rank();