The number of rows in A must be the same as the number of elements of b.

1 次查看（过去 30 天）

Atul Vaibhav 2016-7-11

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/294971-the-number-of-rows-in-a-must-be-the-same-as-the-number-of-elements-of-b

评论： Image Analyst 2016-7-11

n=3;
c=50;   
a=500; 
A=[1 0 0;0 1 0;0 0 1];
  for j=1:n
      F(j) = uicontrol('style','edit','units','pixels',...
               'position',[c a 50 50],'fontsize',20,'string','');
     c = c+60;
  end
 c = 50;
 a = a-70;
for j=1:n
      B(j) = uicontrol('style','edit','units','pixels',...
               'position',[c a 50 50],'fontsize',20,'string','');
     c = c+60;
end
  c=50;
  a=a-70;
for i=1:2
for j=1:n
      a1(i,j) = uicontrol('style','edit','units','pixels',...
               'position',[c a 50 50],'fontsize',20,'string','');
     c = c+60;
end
c=50;
a=a-70;
end
for j=1:2
      b1(j) = uicontrol('style','edit','units','pixels',...
               'position',[c a 50 50],'fontsize',20,'string','');
     c = c+60;
end
c=c+120;
a=500;   
Aeq= nan(2,3);
btn1 = uicontrol('style','pushbutton','units','pixels',...
'position',[c a 170 50],'fontsize',20,'string','Lead Distance', ...
  'Callback', 'for k = 1:n, f(k) = str2double(get(F(k),''string'')); end');
a=a-70;
btn2 = uicontrol('style','pushbutton','units','pixels',...
'position',[c a 170 50],'fontsize',20,'string','Capacity', ...
  'Callback', 'for k = 1:n, b(k) = str2double(get(B(k),''string'')); end');
a=a-70;
btn3 = uicontrol('style','pushbutton','units','pixels',...
'position',[c a 170 50],'fontsize',20,'string','Alumina', ...
  'Callback', 'for k = 1:n*2, Aeq(k) = str2double(get(a1(k),''string'')); end');
a=a-70;
btn4 = uicontrol('style','pushbutton','units','pixels',...
'position',[c a-70 170 50],'fontsize',20,'string','Plant Requirements', ...
  'Callback', 'for k = 1:2, beq(k) = str2double(get(b1(k),''string'')); end');
b=transpose(b);
btn5 = uicontrol('style','pushbutton','units','pixels',...
'position',[c a-70 170 50],'fontsize',20,'string','Calculate', ...
   'Callback', {@linprog f',A,b,Aeq,beq'});

Hii I am trying to run linprog by taking inputs from gui but its showing "The number of rows in A must be the same as the number of elements of b". But as it is obvious it is same. Please help!