Closed form
From Wikipedia, the free encyclopedia
In mathematics, closed form can mean:
- Closed-form expression, a finitary expression, rather than one involving (for example) an infinite series, or use of recursion - this meaning usually occurs in a phrase like A closed form can be found for the recursively defined Fibonacci sequence. and can also be called a closed formula or an explicit formula;
- Closed differential form, a differential form α with the property that dα = 0