\returns the inverse of the matrix of which *this is the LU decomposition. * * \note If this matrix is not invertible, the returned matrix has u

This method is called by SDL using JNI.

@brief return whether value is a boolean @sa https://json.nlohmann.me/api/basic_json/is_boolean/

Sets the last row to [0 ... 0 1] */

\returns a view of the lower triangular matrix L */

Gets next attribute, optionally matching attribute name. \param name_ Name of attribute to find, or 0 to return next attribute regardless of its name;

\internal packet conjugate with real & imaginary operation inverted */

\internal load a vector from a real-only scalar location - column-wise */

What value should this be????

* Get the number of rows of the input matrix and the Q matrix */