Question

MATLAB: Write a code using loop for which implements the following algorithm for finding the maximal element in a vector (without using the ready Matlab function max):

1) Assume the first element of the vector to be the maximal one and assign its value to MyMax.

2) Take the second number and compare with the current maximum. If the second number is bigger, assign it as the new maximum, otherwise keep the old max as reference.

3) Take the third number and compare with the current maximum. If the third number is bigger, assign it as the new maximum, otherwise keep the old max as reference.

4) Continue until you check all the numbers in the array. Store the resulting maximum in variable MyMax. Work out an analogical one for finding minimum and assign the result to variable MyMin? Test your code using the following vector x = [10 6 14 12 18 2 8 14].

Answer 1

x = [10 6 14 12 18 2 8 14];
MyMax = x(1);
for i=1:length(x)
    if x(i) > MyMax
        MyMax = x(i);
    end
end
fprintf("Maximum number in vector is %d\n", MyMax)

MyMin = x(1);
for i=1:length(x)
    if x(i) < MyMin
        MyMin = x(i);
    end
end
fprintf("Minimum number in vector is %d\n", MyMin)