This is documentation for an old release of SciPy (version 0.9.0). Read this page Search for this page in the documentation of the latest stable release (version 1.15.1).

scipy.maxentropy.model.lognormconst

model.lognormconst()

Compute the log of the normalization constant (partition function) Z=sum_{x in samplespace} p_0(x) exp(params . f(x)). The sample space must be discrete and finite.