use sigma to avoid ambiguity with uppercase Epsilon

This commit is contained in:
mattdesl
2015-07-03 11:02:04 -04:00
parent 8e8ebfa144
commit b05c92d580

View File

@@ -241,7 +241,7 @@ For other implementations of vector multiplication, cross product, and dot produ
## sigma
The big Greek "E" (Sigma) is for [Summation](https://en.wikipedia.org/wiki/Summation). In other words: summing up some numbers.
The big Greek `Σ` (Sigma) is for [Summation](https://en.wikipedia.org/wiki/Summation). In other words: summing up some numbers.
![sigma](img/sigma1.png)