$sqrt/$pow/$exp/$ln/$log10/$log
Reference group: Arithmetic expressions
What it does
Mathematical functions with domain constraints.
Syntax
Example: {$pow: [base, exponent]}
Use case
Statistical transforms.
$sqrt/$pow/$exp/$ln/$log10/$log: practical example
{ $project: { squared: { $pow: ["$score", 2] }, root: { $sqrt: "$variance" } } }💡 Explanation
Mathematical functions with domain constraints.
When to use it
Statistical transforms.
Key Takeaways
- Mathematical functions with domain constraints.
- Typical use: Statistical transforms.