# Vector and Matrix

*Math & Statistics — Finicade finance glossary*

A vector is an ordered list of numbers (portfolio weights, asset returns); a matrix is a grid of them (a covariance matrix). Together they let you compute a whole portfolio's return and risk in one step.

**Also known as:** vectors-matrices-and-it, quadratic-form

**Related terms:** [Dot Product](https://finicade.com/glossary/dot-product), [Portfolio Variance](https://finicade.com/glossary/portfolio-variance), [Portfolio Variance](https://finicade.com/glossary/portfolio-variance)

**Taught in:** Math Masters — Vectors & the Portfolio

Source: https://finicade.com/glossary/vector