Transform/multiply the given vector by this matrix by assuming a third row in this matrix of <code>(0, 0, 1)</code>
and store the result in <code>dest</code>.
@see Vector3d#mul(Matrix3x2d, Vector3d)
@param v
the vector to transform
@param dest
will contain the result
@return dest
Transform/multiply the given vector by this matrix by assuming a third row in this matrix of <code>(0, 0, 1)</code> and store the result in <code>dest</code>.
@see Vector3d#mul(Matrix3x2d, Vector3d)
@param v the vector to transform @param dest will contain the result @return dest