Thread: Summation Notation, Please Help

My book gives no helpful examples and I'm so confused by this concept.

Wat are the values of the following sums, where S={1,3,5,7}

E(summation notation)j^2
j is a member of S

I'm not looking for someone to give me the answer, but for someone to explain what all this means and maybe give me an example so I can see it work.

Originally Posted by sjenkins

My book gives no helpful examples and I'm so confused by this concept.

Wat are the values of the following sums, where S={1,3,5,7}

E(summation notation)j^2
j is a member of S

I'm not looking for someone to give me the answer, but for someone to explain what all this means and maybe give me an example so I can see it work.

That's all there is to it.

That's all???? You just put the values of S in place of j??? That's too easy, thanks for the help!