code: @Override
  	public double[][] getValue(double evaluationnTime, double time, DoubleUnaryOperator values, FiniteDifference1DBoundary boundary) {
  		FDMThetaMethod solver = new FDMThetaMethod(this, boundary, time, center, theta);
  		return solver.getValue(evaluationnTime, time, values);
  	}
docs: /* (non-Javadoc)
  @see net.finmath.finitedifference.models.FiniteDifference1DModel#valueOptionWithThetaMethod(net.finmath.finitedifference.products.FDMEuropeanCallOption, double)