Problem with multiplication n*(n+1)
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I want to change the index of this 3 summations using only one index, so I need to calculate j = 2*(n*(n+1)+m-1)+s for using the new index j.
Why does n*(n+1) generate an error?
5 Comments
Image Analyst
on 31 May 2020
You're not making it easy for us to help you, are you? Do you maybe have a picture of the formula with three sums that you can post (but only after reading this link)?
Steven Lord
on 31 May 2020
What is the full and exact text of the error message you received? Show all the text displayed in red (and/or orange, if you also received warnings) in the Command Window when you run the code that performs the multiplication that throws the error.
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