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fix documentation of norm

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This commit is contained in:
Gael Guennebaud 2011-06-18 08:30:34 +02:00
parent 642d452921
commit a55c27a15f
1 changed files with 6 additions and 2 deletions
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8
Eigen/src/Core/Dot.h
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@ -116,7 +116,9 @@ MatrixBase<Derived>::eigen2_dot(const MatrixBase<OtherDerived>& other) const
//---------- implementation of L2 norm and related functions ---------- //---------- implementation of L2 norm and related functions ----------
/** \returns the squared \em l2 norm of *this, i.e., for vectors, the dot product of *this with itself. /** \returns, for vectors, the squared \em l2 norm of \c *this, and for matrices the Frobenius norm.
* In both cases, it consists in the sum of the square of all the matrix entries.
* For vectors, this is also equals to the dot product of \c *this with itself.
* *
* \sa dot(), norm() * \sa dot(), norm()
*/ */
@ -126,7 +128,9 @@ EIGEN_STRONG_INLINE typename NumTraits<typename internal::traits<Derived>::Scala
return internal::real((*this).cwiseAbs2().sum()); return internal::real((*this).cwiseAbs2().sum());
} }
/** \returns the \em l2 norm of *this, i.e., for vectors, the square root of the dot product of *this with itself. /** \returns, for vectors, the \em l2 norm of \c *this, and for matrices the Frobenius norm.
* In both cases, it consists in the square root of the sum of the square of all the matrix entries.
* For vectors, this is also equals to the square root of the dot product of \c *this with itself.
* *
* \sa dot(), squaredNorm() * \sa dot(), squaredNorm()
*/ */