Multiple Anonym Function return wrong values

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Pavel M
Pavel M on 20 Jan 2022
Answered: Alan Stevens on 20 Jan 2022
Hello, I have a function that return 3 same values, but they must be different
C = [4622 5480 18923]*1e-12;
U = [454e3 454e3-20e3 20e3].*sqrt(2);
function W = Energy(C,U)
f = 50;
T = 1/f;
t = [0:0.00001:T/4];
fun = @(t) (U.^2/(2*1./(2*3.14*f*C)) * sin(2*2*3.14*f*t));
fun2 = @(C, U) (integral(fun, t(1), t(end)));
for i = 1 : 3
W(i) = fun2(C(i), U(i)) ;
end
end
returned values are
w =
952.7728 952.7728 952.7728
What could be wrong in my code?

Accepted Answer

Alan Stevens
Alan Stevens on 20 Jan 2022
Here's one solution:
C = [4622 5480 18923]*1e-12;
U = [454e3 454e3-20e3 20e3].*sqrt(2);
W = Energy(C,U);
disp(W)
1.0e+03 * 0.9527 1.0322 0.0076
function W = Energy(C,U)
f = 50;
T = 1/f;
for i = 1 : 3
fun = @(t) (U(i).^2/(2*1./(2*3.14*f*C(i))) * sin(2*2*3.14*f*t));
fun2 = @(C, U) (integral(fun, 0, T/4));
W(i) = fun2(C(i), U(i)) ;
end
end

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