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I want to write a formula that has the greek "sum" (Σ) symbol. How can I write the "sum" symbol in latex

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You can use \sum to write the greek "sum" (Σ) symbol.

Here is an example:

\alpha = \frac{\sum_{j=1}^k \alpha_j}{k}

The above formula calculates the average alpha, the sum of k alphas divided by k.

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asked Jan 28, 2023 in General IT Tips by phpuser (51.8k points)

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