how to integrate a graph
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A function is given for a definite interval. Infact exact problem coding is not required.The solution must be general.
- f(x)=x^2;0<x<5
- f(x)=x;5<x<8
Now how to integrate this and plot this I came up with
syms x
c=int(x^2)
then using heaviside function I could plot e.g c.*heaviside(t)-c.*heaviside(t-5);first part
But how do you convert the sym to matlab variable again
Help is higlhy appreciated
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Accepted Answer
KSSV
on 30 Mar 2017
syms x
f = x^2 ;
% integration
c = int(f) ;
% plot
xx = linspace(0,5) ;
plot(xx,double(subs(c,xx)))
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