How to plot x(n) for many values of n?
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How to plot 𝑥(𝑛) = 𝛼𝑛 𝑥(0) for n=1-30 and x(0)=100?? I have tried this code, but it is repeating it's value again and again... What I am missing?
alpha = 2
x0 = 100; % Initial conditions
for n = 1:30
x(n) = (alpha^n)*(x0)
end
disp(x(n))
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madhan ravi
am 6 Jun. 2020
Bearbeitet: madhan ravi
am 6 Jun. 2020
Shorter code eliminating loop:
Alpha = 2
x0 = 100; % Initial conditions
n = 1:30;
x = Alpha.^n*x0;
plot(n,x)
Note: You were doing it correctly all you had to use was disp(x)
9 Kommentare
madhan ravi
am 6 Jun. 2020
Bearbeitet: madhan ravi
am 6 Jun. 2020
Man... what do you want to do? Did you read https://www.mathworks.com/matlabcentral/answers/543416-how-to-plot-x-n-for-many-values-of-n#comment_886145 ?
Weitere Antworten (1)
David Hill
am 6 Jun. 2020
alpha = 2
x0 = 100; % Initial conditions
for n = 1:30
x(n) = (alpha^n)*(x0)
end
disp(x);
plot(1:30,x);
3 Kommentare
David Hill
am 6 Jun. 2020
x has only 30 values...use ; to suppress
alpha = 2;
x0 = 100; % Initial conditions
for n = 1:30
x(n) = (alpha^n)*(x0);
end
disp(x);
plot(1:30,x);
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