Page tree

Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Two different functions are called this way:


LaTeX Math Block
anchor
1
Ei
alignmentleft
{\rm Ei}(x) = - \int_{-x}^{\infty} \frac{e^{-\xi}}{\xi} \, d\xi



LaTeX Math Block
anchorE1
alignmentleft
{\rm E_1}(x) = \int_{x}^{\infty} \frac{e^{-\xi}}{\xi} \, d\xi


which are related to each other as:

...