What dose Ei(1/1/10) means in matlab?

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elgumatti
elgumatti 2016-10-31
评论： elgumatti 2016-10-31
Hi there guys. I'm trying to evaluate this function (y=int(exp(-x)/x,a,inf)) using Matlab. when a= 0.1 ,I got y = Ei(1,1/10) and when a=1, y=Ei(1,1), anyone knows what this means? thanks.

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KSSV
KSSV 2016-10-31
It is exponential integral. Read https://in.mathworks.com/help/matlab/ref/expint.html

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