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Ei( z )

The Ei(z) in Math. Defined by

Ei(z)=∫exp(z)z

Real part on the real axis:

-5.0 -2.5 2.5 5.0 -5.0 -2.5 2.5 5.0

Imaginary part on the real axis is zero.

Real part on the imaginary axis:

-5.0 -2.5 2.5 5.0 -1.00 -0.75 -0.50 -0.25 0.25

Imaginary part on the imaginary axis:

-5.0 -2.5 2.5 5.0 -3 -2 -1 1 2 3

Real part on the complex plane:

Imaginary part on the complex plane:

Absolute value on the complex plane:

Related functions:   log

Function category: logarithmic functions