Ch3
...\实例3-1绘制二维图
...\.................\fun_11.m
...\.................\fun_12.m
...\.................\main_1.m
...\实例3-2绘制三维图
...\.................\main_2.m
...\实例3-3稀疏矩阵排列图
...\.....................\main_3.m
...\实例3-4交互式用户界面设计
...\.........................\ch3_2.fig
...\.........................\ch3_2.m
...\.........................\ch3_2_export.m