My evaluation is below, I just realize that I put the wrong course, it should be cs 181. Sorry.

She's a very nice person, and clearly one of the smartest pioneers of computer science. BUT, her close is incredibly boring and VERY hard to follow. She's very sharp - you can tell that from office hours, but the smartest don't make the greatest teachers.
It's a very tedious class if you don't have a good TA, and I don't know how much longer Brian's going to stick around. So, if this TA isn't Brian, you might want to think twice

She is the worst professor I've had at UCLA.

It is clear that at one time, she was a preeminent mind in her field (around 8th week, you do a section on "Greibach Normal Form"). I would guess that she was at one point a pretty good teacher as well- she at least makes attempts at humor, she seems to understand the material pretty well, and she seemed to at least mildly prefer that we learn something. That being said, she should have retired 10+ years ago.

I sat in the third row, and I couldn't hear a word she said. She somehow managed to mumble in a quiet monotone. We started with 40 people in the class, and by the time I stopped going (around 6th week) there were only 12 students still showing up. Her course reader is a collection of fragmented sentences giving vague psuedocode descriptions of algorithms you've never heard of.

The savior of this course was Brian Taigku, the TA. If you have to take this class, don't bother going to lecture- just go to your discussion section and you'll be fine.

Greibach seems like a nice person, and I have nothing against her personally, but it is clear that she is at UCLA for the sole reason that she is a big name in the field of automata theory. I was surprised her bruinwalk raitings were so high- I suspect that people gave her some leniency because she IS a sweet old woman. Just not a good professor.

This professor is terrible at lecturing. The course notes you buy have most her slides. My friends and I learned everything from the TA, who wrote the homework, held great discussions, and offered helpful office hours. The thing is that the professor write the actual midterm and final. So like previously stated, review the practice midterms and finals to get a good taste of her exam style.

If you're considering taking the class one quarter, check to see if the TA is Brian. If so, take the course. He helps your understanding and overall enjoyment. Good luck.