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template<typename _MatrixType>
Index FullPivLU< _MatrixType >::dimensionOfKernel (  ) const [inline]
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();

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