code: @Override
      public void configure(String parameters) {
          coefficients.clear();
          if (parameters.isEmpty()) {
              return;
          }
          List<String> values = Op.split(parameters, " ");
          for (String x : values) {
              coefficients.add(Op.toDouble(x));
          }
      }
docs: Configures the term with the values of `\mathbf{c}^\star`
  
  @param parameters as `"c1 ... ci ... cn k"`