I'm reading a book at the moment and it mentions a set but doesn't define what this set is. Is there a general meaning for this set ?
I'll post the context as it may be helpful
Let to be generated from where
Any help would be appreciated.
The (closed) unit interval is often denoted by , and from your context I feel this is most likely. That is, the set of real numbers between 0 and 1 inclusive, .
If not, my second guess would be an index set; I've never seen the complex numbers denoted by (although that doesn't rule it out).
Also, have you tried looking for a `notation' section in your book? They're often at the back with the index and references, or immediately after the contents.