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-rw-r--r--src/Rips_complex/doc/Intro_rips_complex.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/Rips_complex/doc/Intro_rips_complex.h b/src/Rips_complex/doc/Intro_rips_complex.h
index 54afad66..a9cfc0ab 100644
--- a/src/Rips_complex/doc/Intro_rips_complex.h
+++ b/src/Rips_complex/doc/Intro_rips_complex.h
@@ -83,7 +83,9 @@ namespace rips_complex {
* diagrams are at log-bottleneck distance at most ε).
*
* The sparse Rips filtration was introduced by Don Sheehy \cite
- * sheehy13linear. We are using the version from \cite buchet16efficient.
+ * sheehy13linear. We are using the version from \cite buchet16efficient
+ * (except that we multiply all filtration values by 2, to match the usual
+ * Rips complex).
* A more intuitive presentation of the idea is available in \cite
* cavanna15geometric, and in a video \cite cavanna15visualizing.
*