fid = fopen('a.txt','r');A = textscan(fid,'%s');P = A{1,1};A = double(cell2mat(P))-double('0')
matlab的GUI中所有的控件的句柄都在handles结构体中，你直接打当然找不到了。获取句柄的方式如下：mbfcxs1 =str2num( get(handles.mbfcxs1,'String'))比如我下面这个拟合函数的GUI界面回调函数可以这样写 function start_Callback(hObject, eventdata, handles)% hObject handle to start (see GCBO...
clc;clearA = ['1001'; '0110'; '0001'; '0101'];double(A)-double('0')