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How to make a checkerboard function

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Mojisola Ajayi
Mojisola Ajayi on 11 May 2020
Commented: Walter Roberson on 14 May 2020
I'm supposed to write a function with header [M] = myCheckerBoard(n) and M is an n by n matrix, how do I do this?
M = [1 0 1 0 1; 0 1 0 1 0; 1 0 1 0 1; 0 1 0 1 0;1 0 1 0 1]

  3 Comments

James Tursa
James Tursa on 11 May 2020
Do you have any function code written yet? Do you have any ideas on how you might fill in the element of M inside this function?
Hint: zeros(n) will give you an nxn matrix filled with 0's. Then you can write some code to fill in the 1's in the appropriate spots.
Mojisola Ajayi
Mojisola Ajayi on 11 May 2020
I had a function written but it didn't work. I did the first step with zeros, but I'm not sure on where to proceed from there
James Tursa
James Tursa on 11 May 2020
You could write two nested for-loops over the elements of M and fill in the 1's inside those loops.

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Answers (1)

Guru Mohanty
Guru Mohanty on 14 May 2020
Hi, I understand you are trying to make a checkerboard function. You can do this by two nested for loops. Here is a sample code for it.
function M = myCheckerBoard(n)
M = zeros(n,n);
for j = 1:n
if mod(j,2)==1
for i =1:2:n
M(j,i) = 1;
end
elseif mod(j,2)==0
for t = 2:2:n
M(j,t) = 1;
end
end
end
end

  1 Comment

Walter Roberson
Walter Roberson on 14 May 2020
Note that this is a homework question...

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