This might be a very basic question but I ran into this notation in a numerical methods book
Let $$g ∈ C[a, b]$$ be such that $$g(x) ∈ [a, b], \forall x \in [a, b]$$
What does the $$C[a, b]$$ mean?
I suggested three dupe targets, one of which is really only a viable dupe target because I answered a question with perhaps more detail than is really necessary.
In any event, all four of the questions involved (see the comments below the above linked question) are interrelated. One should probably be left open while the others are closed as duplicates.
But, since I answered one of the questions and therefore have a vested interest in the outcome, I am not going to cast any more closure votes.
This might be a very basic question but I ran into this notation in a numerical methods book
Let $$g ∈ C[a, b]$$ be such that $$g(x) ∈ [a, b], \forall x \in [a, b]$$
What does the $$C[a, b]$$ mean?
