code: public static DoubleMatrix sysv(char uplo, DoubleMatrix a, int[] ipiv,
  			DoubleMatrix b) {
  		int info = NativeBlas.dsysv(uplo, a.rows, b.columns, a.data, 0, a.rows, ipiv, 0,
  				b.data, 0, b.rows);
  		checkInfo("SYSV", info);
  
  		if (info > 0)
  			throw new LapackSingularityException("SYV",
  					"Linear equation cannot be solved because the matrix was singular.");
  
  		return b;
  	}
docs: START