docs: public LinearEquationSystem getNormalizedLinearEquationSystem(Normalization<?> normalization) throws NonNumericFeaturesException {
      if(normalization != null) {
        LinearEquationSystem lq = normalization.transform(linearEquationSystem);
        lq.solveByTotalPivotSearch();
        return lq;
      }
      else {
        return linearEquationSystem;
      }
    }