/src/main/java/net/finmath/optimizer/StochasticPathwiseLevenbergMarquardt.java
parameterFiniteDifference = parameterSteps[valueIndex];
parameterFiniteDifference = parameterSteps[workerParameterIndex];
final int workerParameterIndex = parameterIndex; final Callable<RandomVariable[]> worker = new Callable<RandomVariable[]>() { @Override public RandomVariable[] call() { RandomVariable parameterFiniteDifference; if(parameterSteps != null) { <extra_id_0> } else { parameterFiniteDifference = parametersNew[workerParameterIndex].abs().add(1.0).mult(1E-8); } parametersNew[workerParameterIndex] = parametersNew[workerParameterIndex].add(parameterFiniteDifference); try {