Function norm

norm(arr: number[], type?: "L1" | "L2" | "LInfinity" | "L0"): number
Calculates the norm of an array.
Parameters
- arr: number[]
  The array
- Optionaltype: "L1" | "L2" | "LInfinity" | "L0" = "L2"
  The type of norm, which can be "L0", "L1", "L2", or "LInfinity"
Returns number
Example
```
const result = Chalkboard.stat.norm([3, 4]); // Returns 5
```
- Defined in Chalkboard.stat.ts:926