HI HOW TO GENERATE A DOT MATRIX WITH ONES AND ZEROS?

HI I HAD GENERATE A MATRIX OF ONES(8)

MY QUESTION IS I WANT TO MAKE ALL THE EVEN ROWS OF THAT MATRIX TO ZERO...

HOW CAN I DO THAT PROCESS

CAN ANYONE HELP ME.

Answer 1

[Roger]

A=ones(8);
for i=1:4
A(2*i,:)=zeros(1,8);
end
or A(2:2:8,:)=zeros(1,8);

[Walter Roberson]

Or

A(2:2:8,:) = 0;

[Andrei Bobrov]

A(2:2:end,:) = 0