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how to calculate Somme of vector elements ?

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diadalina
diadalina on 21 Oct 2018
Edited: Bruno Luong on 28 Oct 2018
i would like to calculate the somme k=1:10^5 of 1/k^2,using the command sum, can anyone help me ?

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madhan ravi
madhan ravi on 21 Oct 2018
Edited: madhan ravi on 21 Oct 2018
k=1:10.^5;
sum(1./(k.^2))

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diadalina
diadalina on 28 Oct 2018
is there any method to verify the obtained result ?
Bruno Luong
Bruno Luong on 28 Oct 2018
"is there any method to verify the obtained result ?"
s = sum(1./(k.^2))
s / (pi^2/6)
That gives
s =
1.6449
ans =
1.0000
Seems alright to me.

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