\returns an expression of the coefficient-wise cosine of *this. * * This function computes the coefficient-wise cosine. The function MatrixBase::c

\returns an expression of the coefficient-wise cube of *this. * * Example: \include Cwise_cube.cpp * Output: \verbinclude Cwise_cube.out * *

\returns an expression of the coefficient-wise inverse of *this. * * Example: \include MatrixBase_cwiseInverse.cpp * Output: \verbinclude Matrix

\returns an expression of the coefficient-wise == operator of \c *this and a scalar \a s * * \warning this performs an exact comparison, which is

\returns an expression of the coefficient-wise signum of *this. * * Example: \include MatrixBase_cwiseSign.cpp * Output: \verbinclude MatrixBase

\returns an expression of the coefficient-wise square root of *this. * * Example: \include MatrixBase_cwiseSqrt.cpp * Output: \verbinclude Matri

Default constructor without initialization */

Constructs a Mapped Quaternion object from the pointer \a coeffs * * The pointer \a coeffs must reference the four coefficients of Quatern

Constructs a Mapped Quaternion object from the pointer \a coeffs * * The pointer \a coeffs must reference the four coefficients of Quatern