openmc.stats – Statistics

Univariate Probability Distributions

openmc.stats.Univariate

Probability distribution of a single random variable.

openmc.stats.Discrete

Distribution characterized by a probability mass function.

openmc.stats.Uniform

Distribution with constant probability over a finite interval [a,b]

openmc.stats.PowerLaw

Distribution with power law probability over a finite interval [a,b]

openmc.stats.Maxwell

Maxwellian distribution in energy.

openmc.stats.Watt

Watt fission energy spectrum.

openmc.stats.Tabular

Piecewise continuous probability distribution.

openmc.stats.Legendre

Probability density given by a Legendre polynomial expansion \(\sum\limits_{\ell=0}^N \frac{2\ell + 1}{2} a_\ell P_\ell(\mu)\).

openmc.stats.Mixture

Probability distribution characterized by a mixture of random variables.

openmc.stats.Normal

Normally distributed sampling.

openmc.stats.muir

Generate a Muir energy spectrum

Angular Distributions

openmc.stats.UnitSphere

Distribution of points on the unit sphere.

openmc.stats.PolarAzimuthal

Angular distribution represented by polar and azimuthal angles

openmc.stats.Isotropic

Isotropic angular distribution.

openmc.stats.Monodirectional

Monodirectional angular distribution.

Spatial Distributions

openmc.stats.Spatial

Distribution of locations in three-dimensional Euclidean space.

openmc.stats.CartesianIndependent

Spatial distribution with independent x, y, and z distributions.

openmc.stats.CylindricalIndependent

Spatial distribution represented in cylindrical coordinates.

openmc.stats.SphericalIndependent

Spatial distribution represented in spherical coordinates.

openmc.stats.Box

Uniform distribution of coordinates in a rectangular cuboid.

openmc.stats.Point

Delta function in three dimensions.

openmc.stats.MeshSpatial

Spatial distribution for a mesh.

openmc.stats.spherical_uniform

Return a uniform spatial distribution over a spherical shell.