The exponential integral (expint) of x is defined as E1, then how E2 is defined ? Can it be solved using MATLAB?
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Torsten on 17 Mar 2022
Edited: Torsten on 17 Mar 2022
Why do you ask the same question again ?
It has been answered here:
But you can also call it directly from MATLAB using
s = expint(x,2)
And the definition of E_n is here under the point "Generalization":