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hi how can i evaluate the function below from x=1,x=2 into a step of 0.1 y=x/(x2+1)

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  1. Y=X/(X2+1)
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Manikanta Aditya
Manikanta Aditya on 8 Apr 2024
Edited: Manikanta Aditya on 8 Apr 2024
You can do this:
x = 1:0.1:2; % Define the range of x with a step of 0.1
y = x./(x.^2 + 1); % Evaluate the function
disp(x)
1.0000 1.1000 1.2000 1.3000 1.4000 1.5000 1.6000 1.7000 1.8000 1.9000 2.0000
disp(y)
0.5000 0.4977 0.4918 0.4833 0.4730 0.4615 0.4494 0.4370 0.4245 0.4121 0.4000

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Answers (2)

KSSV
KSSV on 8 Apr 2024
x = 1:0.1:2; % Define the range of x with a step of 0.1
y = x./(x.^2 + 1); % Evaluate the function
plot(x,y)

Sam Chak
Sam Chak on 8 Apr 2024
syms x
y = eval('x/(x^2 + 1)') % <-- check if the function is correct
y = 
xa = 1; % start point of [xa ≤ x ≤ xb]
xb = 2; % final point of [xa ≤ x ≤ xb]
xs = 0.1; % step size
xval= xa:xs:xb % values of x from xa to xb
xval = 1x11
1.0000 1.1000 1.2000 1.3000 1.4000 1.5000 1.6000 1.7000 1.8000 1.9000 2.0000
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y = subs(y, x, xval) % substitute the values of 'xval' into 'x'
y = 
plot(xval, y, '-o'), grid on, xlabel x, ylabel y

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