Sigma/Summation Notation

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I have an assignment due for it on Monday. Could you guys help?

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Anonymous 0 Comments

Sigma notation means to take the sum of the result of all integers in a range through a function. Sounds complicated but it works like this:

The large Sigma will usually have a variable and starting number at the bottom and a different number at the top. For example Sigma[x=0:10] says that the Sigma function will be the result of the sum of all results from x=0 to x=10.

Next it will have a function related to the variable. So of there is a function of x f(x) then Sigma[x=0:10] of that function would be f(0)+f(1)+f(2)+f(3)+(…)+f(10).

And that’s really all it is at its core.

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