dimod.binary.BinaryQuadraticModel.add_quadratic

BinaryQuadraticModel.add_quadratic(u: Hashable, v: Hashable, bias: Union[float, numpy.floating, numpy.integer])[source]

Add a quadratic bias between two variables.

Parameters
  • u – Variable in the binary quadratic model.

  • v – Variable in the binary quadratic model.

  • bias – Quadratic bias for the interaction.

Raises

ValueError – If any self-loops are given. E.g. (u, u, bias) is not a valid triplet.