Gaussian Integral - Relation To The Gamma Function

Relation To The Gamma Function

The integrand is an even function,

Thus, after the change of variable, this turns into the Euler integral

where Γ is the gamma function. This shows why the factorial of a half-integer is a rational multiple of . More generally,

Read more about this topic:  Gaussian Integral

Famous quotes containing the words relation to the, relation to, relation and/or function:

    It would be disingenuous, however, not to point out that some things are considered as morally certain, that is, as having sufficient certainty for application to ordinary life, even though they may be uncertain in relation to the absolute power of God.
    René Descartes (1596–1650)

    The whole point of Camp is to dethrone the serious. Camp is playful, anti-serious. More precisely, Camp involves a new, more complex relation to “the serious.” One can be serious about the frivolous, frivolous about the serious.
    Susan Sontag (b. 1933)

    Concord is just as idiotic as ever in relation to the spirits and their knockings. Most people here believe in a spiritual world ... in spirits which the very bullfrogs in our meadows would blackball. Their evil genius is seeing how low it can degrade them. The hooting of owls, the croaking of frogs, is celestial wisdom in comparison.
    Henry David Thoreau (1817–1862)

    The function of literature, through all its mutations, has been to make us aware of the particularity of selves, and the high authority of the self in its quarrel with its society and its culture. Literature is in that sense subversive.
    Lionel Trilling (1905–1975)