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

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cikalekli
cikalekli 2022-1-6
评论： cikalekli 2022-1-6
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.

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KSSV
KSSV 2022-1-6
Ran in:
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);
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KSSV
KSSV 2022-1-6
Ran in:
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 2022-1-6
Your explanation was so fluently perfect.
I am appreciated with your help.
Bless you...

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