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This is documentation for an old release of SciPy (version 0.17.1). Read this page in the documentation of the latest stable release (version 1.15.1).

scipy.special.spence

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

Dilogarithm integral

Returns the dilogarithm integral:

-integral(log t / (t-1), t=1..x)

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