MatlaB macierze

[pandzban1]

SZACHOWNICA

clc
clear all
A=randi(10,8,8)
[w,k]=size(A);
for i=1:w;
for j=1:k;
if (mod((i+j),2)==0);
A(i,j)=4;
else
A(i,j)=2;
end

end
end
A

[pandzban1]

PODZIAŁ MACIERZY NA ĆWIARTKI

A=randi(60,40,40)
[w,k]=size(A);
u=w/2;
v=k/2;
A1=A(1:u,1:v);
A2=A(1:u,v+1:k);
A3=A(u+1:w,1:v);
A4=A(u+1:w,v+1:k);