Aggregating IEnumerable of Observables of T into one observable of T

Question

I have

IEnumerable<IObservable<Tourn>> collectionOfObservables

but i want

IObservable<Tourn> observableTourn

and I want all Subscribers of observableTourn to fire whenever any of the underlying observables change? need this in C#

Answer 1

Try Observable.Merge

Answer 2

Try to use LINQ. The methods Select or SelectMany() will do the trick.