Constraint

Use Constraint to constrain your models parameters.

Todo

Include more built-in Constraints.

zfit.constraint.GaussianConstraint(params, ...)	Gaussian constraints on a list of parameters to some observed values with uncertainties.
zfit.constraint.PoissonConstraint(params, ...)	Poisson constraints on a list of parameters to some observed values.
zfit.constraint.LogNormalConstraint(params, ...)	Log-normal constraints on a list of parameters to some observed values.
zfit.constraint.SimpleConstraint(func, params, *)	Constraint from a (function returning a) Tensor.