Hi
I'm just wondering, the limit of the signum function from the right side is 1 and the limit of the signum function from the left side is -1.
What do we say about the 2-sided limit? Do we say it doesn't exist?
David.
Hi
I'm just wondering, the limit of the signum function from the right side is 1 and the limit of the signum function from the left side is -1.
What do we say about the 2-sided limit? Do we say it doesn't exist?
David.