Practical 4: For- and While- Loops, If-statements: Counter Variable

MATLAB Short Course

Often, loops involve a count or a counter variable that is updated each time the code within a certain condition is executed.

Exercise: Counter variable

> Type in the following code and verify the result.

Tip: Clear the Command Window by going to Edit>Clear Command Window.

% determine the number of elements in allNumbers bigger

% than 100

count = 0 % initialize count

allNumbers = 200*rand(1,10); % array of random numbers

for index = 1:1:10
     if allNumbers(index)>100
          count = count+1;       % update count
     end

end
count % print count