matlab练习题和答案 - 图文

.

WindowStyle: 'normal'

WVisual: '00 (RGB 32 GDI, Bitmap, Window)' WVisualMode: 'auto' >> h2=get(10) h2 = 8

Alphamap: [1x64 double] BeingDeleted: 'off' BusyAction: 'queue' ButtonDownFcn: '' Children: 342.0011 Clipping: 'on'

CloseRequestFcn: 'closereq' Color: [0.8000 0.8000 0.8000] Colormap: [64x3 double] CreateFcn: ''

CurrentAxes: 342.0011 CurrentCharacter: '' CurrentObject: [] CurrentPoint: [0 0] DeleteFcn: '' DockControls: 'on' FileName: ''

FixedColors: [10x3 double] HandleVisibility: 'on'

Word资料

.

HitTest: 'on' IntegerHandle: 'on' Interruptible: 'on' InvertHardcopy: 'on' KeyPressFcn: '' KeyReleaseFcn: '' MenuBar: 'figure' MinColormap: 64 Name: '' NextPlot: 'add' NumberTitle: 'on'

PaperOrientation: 'portrait'

PaperPosition: [0.6345 6.3452 20.3046 15.2284] PaperPositionMode: 'manual' PaperSize: [20.9840 29.6774] PaperType: 'A4' PaperUnits: 'centimeters' Parent: 0 Pointer: 'arrow'

PointerShapeCData: [16x16 double] PointerShapeHotSpot: [1 1] Position: [440 378 560 420] Renderer: 'painters' RendererMode: 'auto'

Word资料

.

Resize: 'on' ResizeFcn: '' 9

Selected: 'off'

SelectionHighlight: 'on' SelectionType: 'normal' Tag: '' ToolBar: 'auto' Type: 'figure' UIContextMenu: [] Units: 'pixels' UserData: [] Visible: 'on'

WindowButtonDownFcn: '' WindowButtonMotionFcn: '' WindowButtonUpFcn: '' WindowKeyPressFcn: '' WindowKeyReleaseFcn: '' WindowScrollWheelFcn: '' WindowStyle: 'normal'

WVisual: '00 (RGB 32 GDI, Bitmap, Window)' WVisualMode: 'auto'

4 输入h.Children，观察结果。 >> h.Children

Word资料

.

ans = 1 10

5 键入gcf，得到当前图像句柄的值，分析其结果与h，h1，h2中哪个一致，为什么? ans =

1

结果与h的一致

6 鼠标点击Figure 1窗口，让其位于前端，在命令行中键入gcf，观察此时的值，和上一步中有何不同，为什么?

ans = 1

7 观察h1.Children和h2.Children，gca的值。 >> h1.Children ans = 170.0012 10

>> h2.Children ans = 342.0011 >> gca ans = 170.0012

8 观察以下程序结果h3=h1.Children;

set(h3,'Color','green');h3_1=get(h3,'children');set(h3_1,

Word资料