MATLAB: Why iam i getting the error the illegal use of the end

face recignition

 Q=imread('r6.jpg');
imginp=double(reshape(Q,64,1));
disp (' ');
disp ('Simulating SOM neural network for the input image...');
disp (' ');
msx=sim(net,imginp)
msxm=find(msx);
%classification and displaying output
disp (' ');
disp ('Classifying the subject in input image with the matched image in the training database...');
disp (' ');
ans=find((sm - msxm)==min(abs((sm-msxm))));
if (ans > 0) & (ans <= 5)
disp('Subject is identified to be: rock');
else if (ans > 5) & (ans <= 10)
disp('Subject is identified to be: hulk');
else if (ans > 10) & (ans <= 15)
disp('Subject is identified to be: bob');
else if (ans > 15) & (ans <= 20)
disp('Subject is identified to be: banda');
else
disp('Subject is not identified in the training database.');
    end
    end
    end
    end
when i try to execute it iam getting the following error y this is happening?
??? Error: File: C:\MATLAB7\work\trainsimsom.m Line: 63 Column: 1
Illegal use of reserved keyword "end".

Best Answer

The correct syntax for an if statement is
>> if condition
>>  <statements>
>> elseif condition2 % notice no space between else and if
>>  <more statements>
>> end
You don't need multiple ends for the elseif statements.
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