In the following statement, the statement which generates the button control is ( ).
A: h_1=uimenu(gcf,'Label','&Blue');
B: h_1=uicontrol(gcf,'style','push', 'string','grid off','callback','grid off');
C: h_1=uicontrol(gcf,'style','text', 'horizontal','left','string',{'Input'});
D: h_1=axes('unit','normalized','position',[0,0,1,1],'visible','off');
A: h_1=uimenu(gcf,'Label','&Blue');
B: h_1=uicontrol(gcf,'style','push', 'string','grid off','callback','grid off');
C: h_1=uicontrol(gcf,'style','text', 'horizontal','left','string',{'Input'});
D: h_1=axes('unit','normalized','position',[0,0,1,1],'visible','off');
举一反三
- In the following statement, the statement which generates the button control is ( ). A: h_1=uimenu(gcf,'Label','&Blue'); B: h_1=uicontrol(gcf,'style','push', 'string','grid off','callback','grid off'); C: h_1=uicontrol(gcf,'style','text', 'horizontal','left','string',{'Input'}); D: h_1=axes('unit','normalized','position',[0,0,1,1],'visible','off');
- (4). 要检验一个班级,在进行翻转教学后”概率统计“课程平均成绩是否有所提高,恰当的假设是( )。 A: \( H_0 :\mu =\mu _0 ,\quad H_1 :\mu =\mu _1 \) B: \( H_0 :\mu =\mu _0 ,\quad H_1 :\mu \ne \mu _0 \) C: \( H_0 :\mu =\mu _0 ,\quad H_1 :\mu >\mu _0 \) D: \( H_0 :\mu =\mu _0 ,\quad H_1 :\mu
- 显著性检验方法中的t检验方法,其原假设和备择假设分别是()。 A: H<sub>0</sub>:β≠0;H<sub>1</sub>:β=0 B: H<sub>0</sub>:β=0;H<sub>1</sub>:β≠0 C: H<sub>0</sub>:β=1;H<sub>1</sub>:β≠1 D: H<sub>0</sub>:β≠1;H<sub>1</sub>:β=1
- 如果要对相关系数进行检验,其检验的原假设和备择假设应为()。 A: H<sub>0</sub>:ρ=0⇔H<sub>1</sub>:ρ≠0 B: H<sub>0</sub>:ρ≤0⇔H<sub>1</sub>:ρ>0 C: H<sub>0</sub>:ρ=1⇔H<sub>1</sub>:ρ≠1 D: H<sub>0</sub>:ρ≥0⇔H<sub>1</sub>:ρ<0
- 以下程序的输出结果是( )。 struct HAR { int x, y; struct HAR *p;} h[2]; main(){ h[0].x=1; h[0].y=2; h[1].x=3; h[1].y=4; h[0].p=&h[1]; h[1].p=h; printf("%d %d\n",(h[0].p)->x,(h[1].p)->y); }