how to replot

[Rizal suryana]

Haii All
I Have source like this

data2 = load('TDA8.txt');

i=1;

k=100;

while(k <= 4000)

x=[data2(i:k,1)];

y=[data2(i:k,2)];

i = i + 100;

k = k + 100;

plot(x, y,'*');

endwhile

the result plot only the last data

but i want if x and y get new data, the result plot same figure
how to i do it...

thank`s u 

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