How to write exponential integral in equation?

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How can I write above equation in matlab code, where E1 is exponential integral.

Accepted Answer

Ameer Hamza
Ameer Hamza on 30 Nov 2020
Edited: Ameer Hamza on 30 Nov 2020
You can use expint() function
N = 1;
U = 2;
r = log2(exp(1))*exp(N/U)*expint(N/U)
Result
>> r
r =
1.3315
If you have symbolic toolbox, you can write the symbolic expression
syms U N
r = log2(exp(sym(1)))*exp(N/U)*expint(N/U)
Result from the live script

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