what i'am doing wrong?

    mean1=[10;70;90;20];
  class1='ST';
  class2='AK';
  class3='SN';
  for j=1:size(mean1,1)
      if (0<mean1(j))&(mean1(j)>=60)
      class=class1
      end
      if(61<=mean1(j))&(mean1(j)>=80)
      class=class2
      end
      if(81<=mean1(j))&(mean1(j)>=100)
      class=class3
      end
  end
it show answer :

ST
ST
AK

it should show:

ST
AK
SN
ST

What i'm doing wrong?can someone show me how to do it right?

Thanks, Amir

Answer 1

[Walter Roberson]

if (0<mean1(j))&(mean1(j)<=60)

and so on.

[Amir Hamzah UTeM]

omg..silly me...

by the way,how can i store the result in cell array?

i want to store it something like this in workspace:

C=[ST

AK

SN

ST]

[Andrei Bobrov]

mean1=[10;70;90;20];

class1='ST';

class2='AK';

class3='SN';

out = [];

for j=1:size(mean1,1)

if (0<mean1(j))&(mean1(j)<60), class=class1;

elseif(61<=mean1(j))&(mean1(j)<80), class=class2;

else class=class3;

end

out = [out;{class}]

end

[Amir Hamzah UTeM]

thanks abobroff