我按照你的方法去做,可是在上面显示这样的错误 (n是计算得到借结果——是数值)
??? Undefined function or variable 'n'.
Error in ==> E:\作业\work\untitled8.m (pushbutton5_Callback)
On line 191 ==> set(handles.edit1,'string',num2str(n))
Error in ==> E:\作业\toolbox\matlab\uitools\gui_mainfcn.m
On line 66 ==> feval(varargin{:});
Error in ==> E:\作业\work\untitled8.m
On line 42 ==> gui_mainfcn(gui_State, varargin{:});
??? Error while evaluating uicontrol Callback.
请问这个是为什么?