# Cauchy-Schwarz inequality

## EnglishEdit

### EtymologyEdit

Named after Augustin-Louis Cauchy and Hermann Amandus Schwarz.

### NounEdit

**Cauchy-Schwarz inequality** (*plural* **Cauchy-Schwarz inequalities**)

- (linear algebra, analysis) A theorem which states that the absolute value of the dot product between two vectors is less than or equal to the product of the magnitudes of the two vectors.