This document contains MATLAB code that defines a function y(t) based on the value of the variable n over intervals from -2 to 0, 0 to 1, and 1 to 2. It sets y(t) to either 0 or 2n depending on which interval n is in, plots the resulting function, and increments t at each step of the for loop that iterates through values of n from -2 to 2 in increments of 0.01.

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1.3)
x = -2:0.01:2 ;
y = 2*x ;
t=1;
for n = -2:0.01:2
if (n<0 || n>=1)
y(t) = 0;
elseif (n>=0 && n<1)
y(t) = 2*n;
end
t = t+1;
end
plot (x,y)