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The complexity of using exponential integrals function in sum of series

Posted 2 months ago
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I need to clarify why the output gives not an appropriate result ? Actually the code is working without giving error and gives and output. But it stacks with adding exponential function in the sum of series.

I am happy to hear any ways to solve this type of calculation with using exponential integrals in the sum of series form.


Do you have any reason to think there is a closed form for the double sum with ExpIntegralE function?

Most Sum don't have one.

Maybe the best you can do is numerical methods with approximation.

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