clc
clear all
% use of vectors
% be sure to use element notation
disp('Some examples of vectors in use')
%% Example 1 - Display grades
disp('Example 1')
disp('  Display grades in two columns')
disp(' ')
% input - vector of grades, grade
grade=[70 85 63 100 97]; % quiz grades
amount=length(grade);    % determine number of grades
disp('  Quiz number and grade:')
for  i=1:1:amount
    fprintf('  Quiz #%g - %g\n',i,grade(i))
end
disp(' ')
disp(' ')
%% Example 2 - Generate a desired vector
disp('Example 2')
disp('  Generate a vector of alternating 0 1 0 1... elements')
disp(' ')
% input - length of desired vector
elements=8;
fprintf('  The desired vector length is %g\n',elements)
for  j=1:1:elements
    if (-1)^j==(-1)
        vector(j)=0;
    end
    if (-1)^j==1
        vector(j)=1;
    end
end
disp('  The output vector is:')
disp(vector)
disp(' ')
%% Exercise 1 - Chapter 26
% Finding the min and max numeric values in a vector
disp('Exercise 1 - Chapter 26')
disp('Find the min and max elements contained in any vector')
% inputs
vec=[12 9 -10 8 8.9 -7.8 15];
disp('  The input vector is:')
disp(vec)
% CODE
% assume the first element is the min or max
maxv=vec(1);
minv=vec(1);
% find number of elements
n=length(vec);
for i=2:1:n
   if vec(i)>maxv
       maxv=vec(i);
   end
   if vec(i)<minv
       minv=vec(i);
   end
end
fprintf('  The max is %g\n  The min is %g\n\n',maxv,minv)