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**inactive**. Browsing/searching possible.###### Proof of the SVD lemma

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12 Jan '21

Hello !
I have some troubles understanding the following statement in the proof:
![ML.jpg](https:…

###### Maximum log likelihood ?

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7 Jan '21

Dear TAs,
I'm struggling to understand where the log comes from.
Is this the maximum likeli…

###### soft clustering

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6 Jan '21

Hello,
I am having a hard time understanding what the color gradient represents on the graph fro…

###### Lecture 11 : EM

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29 Dec '20

Hello, I am unsure how to get the update parameters $$\mu_{k}^{(t+1)}$$
, i.e. I try to derive L_…

###### lecture 11 EM kmeans

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29 Dec '20

Hi,
I understand that as sigma tends to 0 qkn converges towards zkn. But I don't understand why th…

###### self-supervised vs unsupervised vs supervised

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28 Dec '20

I have a question regarding text representation learning and what is considered to be supervised or…

###### PCA

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27 Dec '20

Dear TAs,
I'm struggling to understand why the following statement is not correct:
In PCA, the …

###### word2vec

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23 Dec '20

Hello,
I was going over the word2vec explanation and I am a bit confused about what exactly is bei…

###### lecture notes 13a

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23 Dec '20

Hi,
I was wondering if it is normal that the slides seen in video of lecture 13 part 1 at time 33…

###### How to compute U and S efficiently?

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16 Dec '20

I would like some help to understand this part:
$$
\mathbf{U S}_{D}^{2} \mathbf{U}^{\top} \math…

###### This week's slides?

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3 Dec '20

Sorry, but I've waited for it for 2 days. It's very hard to read the whole text from the video.

###### EM, GMM, and K-means - Covariance matrix choice

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27 Nov '20

Hi!
I have a question regarding lecture 11 material (GMM).
From the lecture and the formulae, i…