Hi everyone,
I came up with a different solution.
function [ sumS ] = spiral_diag_sum( n )
% If statement for n = 1.
sumS = 1;
if n == 1
return
% If statement for n > 1
elseif n>1
% Value when n = 1.
for counter = n:-2:2
% This code sums the corner values of each layer from a 3 x 3 to a n x n
% matrix. The counter is evaluating the layers values.
sumS = sumS + sum (counter^2:-(counter-1):(counter-2)^2+1);
end
end
end
Champions2015, maybe you should try understanding the problem first. Use simple code such as:
(counter^2:-(counter-1):(counter-2)^2+1)
With a counter = 3 and 5, pay attention to the values. Your code is using a formula a bit complex to understand.
I hope it helps.
