final MultivariateGaussian augResponseDist = particle.getAugmentedResponseDistribution();
final MultivariateGaussian updatedBetaMean = particle.getPriorBeta().clone();
final List<Double> lambdaSamples =
new ExponentialDistribution(2).sample(random, updatedBetaMean.getInputDimensionality());
final Matrix lambdaSamplesMatrix =
MatrixFactory.getDenseDefault().createDiagonal(
VectorFactory.getDenseDefault().copyValues(lambdaSamples));
/*