First input argument must be a function handle. XMIN must be a floating point scalar. XMAX must be a floating point scalar. YMIN must be a floating point scalar or a function handle. YMAX must be a floating point scalar or a function handle. ZMIN must be a floating point scalar or a function handle. ZMAX must be a floating point scalar or a function handle. Invalid AbsTol Invalid RelTol Method must be ''auto'', ''tiled'', or ''iterated''. The integration was unsuccessful.