how to pass the vector "TCP_value" in to the function

function [ ] = GRADE(TCP_value) for i=1:25 if TCP_value >=6.5 disp('A+') elseif TCP_value >=6.0 disp('A') elseif TCP_value>=5.5 disp('B') elseif TCP_value>=5.0 disp('C') elseif TCP_value>=4.5 disp('D') elseif TCP_value>=4.0 disp('E') else disp('F') end

   end 
end

Answer 1

[Are Mjaavatten]

In your test you must compare element no, i in the TCP_value array with the limits:

function GRADE(TCP_value) 
    for i=1:length(TCP_value) 
        if TCP_value(i) >=6.5 
            fprintf('No.: %2d  Grade: %-2s\n',i,'A+') 
        elseif TCP_value(i) >=6.0 
            fprintf('No.: %2d  Grade: %-2s\n',i,'A') 
        ... and so on ...
        end
    end 
end

Note the use of length(TCP_value) in the loop. This gives more flexibility if the number of candidates vary. I also display the candidate number, to make the list easier to interpret.