code: public static ZMatrixRMaj hermitian(int length, double min, double max, Random rand) {
          ZMatrixRMaj A = new ZMatrixRMaj(length,length);
  
          fillHermitian(A, min, max, rand);
  
          return A;
      }
docs: Creates a random Hermitian matrix with elements from min to max value.
  
  @param length Width and height of the matrix.
  @param min Minimum value an element can have.
  @param max Maximum value an element can have.
  @param rand Random number generator.
  @return A symmetric matrix.