Update USER_GUIDE file

b503a31c · Andreas Marek · 624ac19c · b503a31c
Commit b503a31c authored Jul 14, 2017 by Andreas Marek
--- a/USERS_GUIDE.md
+++ b/USERS_GUIDE.md
@@ -72,6 +72,7 @@ Using *ELPA* with the latest API is done in the following steps
      real/complex matrices
    - "cholesky" does a cholesky factorization for a single/double real/complex matrix
    - "invert_triangular" inverts a single/double real/complex triangular matrix
+    - "solve_tridiagonal" solves the single/double eigenvalue problem for a real tridiagonal matrix

 - if the ELPA object is not needed any more call ELPA-type function destroy