clear;
%% m file to compute the 4 functions in the ML lab
x=0:2^7-1;                               %% all have length 128
y0= zeros(1,128);            %% first is the sine funtion
y1= zeros(1,128);            %% second is the multi step function
y2= zeros(1,128);            %% uniform random numbers
y3= zeros(1,128);            %% symmetric triangular


plot(x,y0,'k-',x,y1,'k--',x,y2,'k.',x,y3,'k-.');
legend('sine','multi step','random','triangular')
xlabel('Sample');ylabel('Amplitude');title('4 Functions generator')
axis([0 127 0 1.1*2^14]);
print -djpeg funcgen.jpg

LUT=[y0, y1, y2, y3];