discrete-time rectangular functions

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Maria De Medeiros Oliveira
回答： Voss 2022-2-7
I need help defining a discrete-time rectangular function
rect[n] = {1, 0≤𝑛≤𝑁
0, 𝑒𝑙𝑠𝑒 }
This is what I have:
rect_n1 = ones(1,T);
for n=0:(N_1)
rect_n1(n)=1;
end

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回答（1 个）

Voss
Voss 2022-2-7
Ran in:
You should initialize rect_n1 to zeros if you're going to set the places where it's 1, and indexing in MATLAB starts with 1, so:
T = 10;
N_1 = 5;
rect_n1 = zeros(1,T);
for n=1:(N_1)
rect_n1(n)=1;
end
plot(rect_n1)
or, without the loop:
T = 10;
N_1 = 5;
rect_n1 = zeros(1,T);
rect_n1(1:N_1) = 1;
plot(rect_n1)

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