Matlab - Consulta Matlab

clear all, close all, clc

n = 10;

for i = 1:n

    for j = 1:n

        if i==j, A(i,j) = 13;

        elseif abs((i-j))==1, A(i,j) = -4;

        elseif abs((i-j))==3, A(i,j) = 1;

        elseif abs((i-j))==5, A(i,j) = -1;

        elseif abs((i-j))==7, A(i,j) = 2;

        elseif abs((i-j))==9, A(i,j) = -3;

        else, A(i,j) = 0;

        end

    end

end

A

A =

    13    -4     0     1     0    -1     0     2     0    -3

    -4    13    -4     0     1     0    -1     0     2     0

     0    -4    13    -4     0     1     0    -1     0     2

     1     0    -4    13    -4     0     1     0    -1     0

     0     1     0    -4    13    -4     0     1     0    -1

    -1     0     1     0    -4    13    -4     0     1     0

     0    -1     0     1     0    -4    13    -4     0     1

     2     0    -1     0     1     0    -4    13    -4     0

     0     2     0    -1     0     1     0    -4    13    -4

    -3     0     2     0    -1     0     1     0    -4    13