README: document where to find arpack user's guide.

2023-03-05 22:58:48 +01:00
parent e124fcabc2
commit b13558c527
2 changed files with 5 additions and 0 deletions
@@ -6,6 +6,7 @@ arpack-ng - 3.9.1
 * Rename icbexmm option into eigen option.
 * README: document how to use ICB.
 * [BUG FIX] arpackmm: fix restart.
+ * README: document where to find arpack user's guide.

 -- Franck Houssen <fghoussen@users.noreply.github.com> Sat, 11 Feb 2023 13:52:57 +0100

@@ -323,6 +323,10 @@ Note: Make sure to update `CMAKE_MODULE_PATH` env variable (otheriwse, `find_pac

 ### FAQ

+- Where can I find ARPACK user's guide?
+
+  http://li.mit.edu/Archive/Activities/Archive/CourseWork/Ju_Li/MITCourses/18.335/Doc/ARPACK/Lehoucq97.pdf
+
 - Calling arpack's aupd methods returns `info = -9 - Starting vector is zero.`: why?

  Residuals are null. Try to set `resid` to small values (like epsilon machine magnitude) but *not exactly* zero.