\returns the number of columns grouped by blocks */

* \returns the starting position of the block \p id in the array of values */

* Number of columns */

\returns the number of columns. */

Drop this many rows from the top so the kept band is width × (width/2) → 2:1 aspect. Matches Models/inference/auto_steer_infer.py compute_top_crop_2_1

Resizes the sparse vector to \a newSize, while leaving old values untouched. * * If the size of the vector is decreased, then the storage of the

\returns a const pointer to the data array of this matrix */

\returns a const pointer to the column major internal matrix */

\brief Give the determinant. * * \returns The determinant of the matrix. * * \sa absDeterminant(), logAbsDeterminant() */

Helper func to escape JSON strings for signaling messages

\return the equivalent permutation matrix */