说明：经典无网格教程的随书算法的例程，属于第二章例程-Classical meshless algorithm tutorial with the book routines, routines that belong to the second chapter
说明：经典无网格教程的随书算法的例程，属于第三章例程-Classical meshless algorithm tutorial routines with books, belonging to the third chapter routines
说明：经典无网格教程的随书算法的例程，属于第5章例程-Classical meshless algorithm tutorial routines with books belonging to Chapter 5 routine
说明：经典无网格教程的随书算法的例程，属于第7章例程-Classical meshless algorithm tutorial routines with books belonging to Chapter 7 Routine