s = 10;
H = zeros(s);

for c = 1:s
    for r = 1:s
        H(r,c) = 1/(r+c-1);
    end
end

for v = 1.0:-0.2:0.0
   disp(v)
end

for v = [1 5 8 17]
   disp(v)
end

for I = eye(4,3)
    disp('Current unit vector:')
    disp(I)
end

for c = 1:ncols
    for r = 1:nrows

        if r == c
            A(r,c) = 2;
        elseif abs(r-c) == 1
            A(r,c) = -1;
        else
            A(r,c) = 0;
        end

    end
end
A



limit = 0.75;
A = rand(10,1)

if any(A > limit)
    disp('There is at least one value above the limit.')
else
    disp('All values are below the limit.')
end

4楼: Originally posted by FMStation at 2016-12-11 21:21:49
https://www.mathworks.com/help/matlab/ref/for.html

s = 10;
H = zeros(s);

for c = 1:s
    for r = 1:s
        H(r,c) = 1/(r+c-1);
    end
end

for v = 1.0:-0.2:0.0
   disp(v)
end

for ...