I get an error and what caused it? - Function Plotting

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cikalekli
cikalekli am 6 Jan. 2022
Kommentiert: cikalekli am 6 Jan. 2022
I get an error. What caused it and how do I fix it?
Here my code:
t = -5:0.1:5;
y = ((2.*cos(x)+exp(-0.4.*x))./(0.2.*x+exp(-0.2.*x))) + ((4.*x)./3);
plot(t,y);
Edit: Typo correction.

Akzeptierte Antwort

KSSV
KSSV am 6 Jan. 2022
Are you looking for this?
x = -5:0.1:5;
y = ((2.*cos(x)+exp(-0.4.*x))./(0.2.*x+exp(-0.2.*x))) + ((4.*x)./3);
plot(x,y);
  4 Kommentare
KSSV
KSSV am 6 Jan. 2022
You can just print the values and see.
a = -5:0.1:5 ; % this creates numbers between -5 and 5 with step size 0.1
diff(a)
ans = 1×100
0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000 0.1000
Also have a look on linspace.
b = linspace(-5,5,5)
b = 1×5
-5.0000 -2.5000 0 2.5000 5.0000
If you want 5 as the step/ difference. YEs use:
c = -5:5:5
c = 1×3
-5 0 5
cikalekli
cikalekli am 6 Jan. 2022
Your explanation was so fluently perfect.
I am appreciated with your help.
Bless you...

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