matlab串联的矩阵的维度不一致

[sherlock啊啊啊]

hf=figure('position',[200 200 600 400],'name','uicontrol1','numbertitle','off');

ha=axes('position',[0.4 0.1 0.5 0.7],'box','on');

hbsin=uicontrol(hf,'style','pushbutton','position',[50,140,100,30],'string','绘制sin(x)','callback',['subplot(ha);'
'x=0:0.1:4*pi;'
'plot(x,sin(x));'
'axis([0 4*pi -1 1]);'
'xlabel("x");'
'ylabel("y=sin(x)");'
'if get(hcgrid,"value")==1;'
'grid on;'
'else;'
'grid off;'
'end;'])

串联的矩阵的维度不一致

请问是哪儿错了