Hi! I have a question regarding the answers to Q14 to Q17 in the 2020 Exam. I am not sure I understand very well what is the intuition behind figuring out the answers based on the plot. I would really appreciate some guidance. Thank you!

The learning curves reflect features of the different algorithms and setups such as

Hi, I was also wondering if one should classify Alg A as GD when it looks like a gradient ascent?

Well you can exclude SGD for algorithm A, so it must be GD. Perhaps your roommate was using a negative step size.

## 2020 Exam Q14-Q17

Hi! I have a question regarding the answers to Q14 to Q17 in the 2020 Exam. I am not sure I understand very well what is the intuition behind figuring out the answers based on the plot. I would really appreciate some guidance. Thank you!

The learning curves reflect features of the different algorithms and setups such as

Hi, I was also wondering if one should classify Alg A as GD when it looks like a gradient ascent?

## 1

Well you can exclude SGD for algorithm A, so it must be GD. Perhaps your roommate was using a negative step size.

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