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template<typename _MatrixType>
const ei_kernel_retval<FullPivLU> FullPivLU< _MatrixType >::kernel (  ) const [inline]
the kernel of the matrix, also called its null-space. The columns of the returned matrix will form a basis of the kernel.
If the kernel has dimension zero, then the returned matrix is a column-vector filled with zeros.
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&).



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Definition at line 174 of file FullPivLU.h.

      ei_assert(m_isInitialized && "LU is not initialized.");
      return ei_kernel_retval<FullPivLU>(*this);

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