SciPy

scipy.special.dawsn

scipy.special.dawsn(x) = <ufunc 'dawsn'>

Dawson’s integral.

Computes:

exp(-x**2) * integral(exp(t**2), t=0..x).

See also

wofz, erf, erfc, erfcx, erfi

References

[R385]Steven G. Johnson, Faddeeva W function implementation. http://ab-initio.mit.edu/Faddeeva

Examples

>>> from scipy import special
>>> import matplotlib.pyplot as plt
>>> x = np.linspace(-15, 15, num=1000)
>>> plt.plot(x, special.dawsn(x))
>>> plt.xlabel('$x$')
>>> plt.ylabel('$dawsn(x)$')
>>> plt.show()

(Source code)

../_images/scipy-special-dawsn-1.png

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