Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
List of symbols
| Symbol | Definition and Description |
|---|---|
| s | each lowercase letter represents a scale |
| v | each boldface lowercase letter represents a vector |
| M | each boldface capital letter represents a matrix |
| 𝒯 | each calligraphic letter represents a tensor, set or space |
| ⊗ | denotes tensor product |
| 〈․, ․〉 | denotes inner product |
| |․| | denotes absolute value |
| ‖․‖F | denotes (Frobenius) norm of vector, matrix or tensor |
