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Mathematical experiment and mathematical software
clear

n = 100;

sum = 0;

Because i= 1: 1:n

sum=sum+ 1/i^2;

end

PI = sqrt(6 * sum);

Proteasome inhibitor

PI =

3. 132 1

Answer: When n= 100, it is 3. 132 1.

clear

n = 1000;

sum = 0;

Because i= 1: 1:n

sum=sum+ 1/i^2;

end

PI = sqrt(6 * sum);

Proteasome inhibitor

PI =

3. 1406

Answer: When n= 1000, it is 3. 1406.

clear

n = 10000;

sum = 0;

Because i= 1: 1:n

sum=sum+ 1/i^2;

end

PI = sqrt(6 * sum);

Proteasome inhibitor

PI =

3. 14 15

Answer: When n= 10000, it is 3. 14 15.