function pushbutton1_Callback(hObject, eventdata, handles) a=get(handles.edit1,'string'); mat1=str2num(a); b=roots(mat1); set(handles.edit3,'string',num2str(b)); function pushbutton2_Callback(hObject, eventdata, handles) h=30*rand(1,2); set(handles.pushbutton2,'position',[h(1)...
为什么会出错啊pus..想搞一个彩色转黑白的怎么也这么难我人傻了,不理会系统提示的修改就成功了0...点了替换反而出不来0.0