Fprintf from a text file

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pro
pro on 7 May 2014
I have created a test example to send a signal from matlab and receive the response + plot. However the signal i want to send is much longer than the one in this example. I have tried reading from a file but i cant use the printf function with a vector column. dont want to use fwrite either as only printf works. Any ideas on a solution? Thanks
s = serial('COM3');
set(s,'BaudRate',9600);
s.InputBufferSize = 6000;
fopen(s);
t=1;
a=0;
fprintf(s,'9 8 7 6 5 4 3 2 1 0')
while(t<=10)
a =fscanf(s,'%d');
x(t,:) =[t a]
t=t+1;
plot(x);
drawnow;
axis auto;
grid on;
end

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