Can someone help me? I am trying to print a 8-by-8 checkboard with red and black tiles

I know that am gonna use two nested for loops.

Answer 1

[Walter Roberson]

No "for" loop is needed. You can index with an increment of 2.

[Kevin Junior]

I am kinda new to MATLAB could you be more specific?

[Walter Roberson]

What do you get if you use

A = zeros(5,5);
A(1:2:end,:) = 1;

Answer 2

[Image Analyst]

Use the checkerboard() function in the Image Processing Toolbox:

cb = 255 * (checkerboard(20) > 0); % checkerboard.
blank = zeros(size(cb), 'uint8');  % Totally black image.
% Put checkboard into only the red channel of an RGB image.
rgbImage = cat(3,cb,blank,blank);
imshow(rgbImage)