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exercise lecture 2
Lectures
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42
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1
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28 Dec '20
Hello,
Can you please upload answers to exercise 3 and 4 of lecture 2 (slide 23).
Note: the…
Convergence : gradient descent 1-param model
Lectures
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66
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1
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28 Dec '20
How would you prove the convergence of the sequence only for gama in (0;2)?
![Captură de ecran 2…
prove that mean absolute error is convex
Lectures
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124
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2
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28 Dec '20
Hello,
I am struggling a bit to prove that mean absolute error is convex (as asked in lecture 1d…
self-supervised vs unsupervised vs supervised
Lectures
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115
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5
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28 Dec '20
I have a question regarding text representation learning and what is considered to be supervised or…
Question regarding kernelized ridge regression
Lectures
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67
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1
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28 Dec '20
Good morning, I was a bit confused by how the expression for $$\alpha^{*}$$ was obtained in the alt…
Subgradients
Lectures
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189
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4
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28 Dec '20
According to the definition of subgradient
$$
\mathcal{L}(\mathbf{u}) \geq \mathcal{L}(\mathbf{…
PCA
Lectures
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96
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3
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27 Dec '20
Dear TAs,
I'm struggling to understand why the following statement is not correct:
In PCA, the …
alphas in SVMs
Lectures
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90
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2
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27 Dec '20
Hi,
I was reading over the conditions for alpha in SVM. I understand if it is correctly classifi…
Covariance matrix
Lectures
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111
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3
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27 Dec '20
Hi,
I was going through the course again, and I was wondering why the covariance matrix is posit…
Hard vs Soft Margin SVM interpretation
Lectures
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76
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2
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26 Dec '20
Hello, I have a doubt about the interpretation I should give to hard/soft margin SVM formulations. …
Complexity
Lectures
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114
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2
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24 Dec '20
As seen during the lecture, the complexity of the forward pass is \(O\left(LK^{2}\right)\).
In t…
word2vec
Lectures
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68
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1
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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
Lectures
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87
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4
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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…
weight sharing
Lectures
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85
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1
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22 Dec '20
Dear TAs,
![Screenshot from 2020-12-22 18-07-36..jpg](https://oknoname-crm1.s3.amazonaws.com/spi…
Nearest neighbor decision boundary
Lectures
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166
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5
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22 Dec '20
Dear TAs,
Could you explain in detail how to sketch the decision boundaries for the k-nearest ne…
Issue when computing gradient
Lectures
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94
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1
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21 Dec '20
Good evening,
I am trying to work out the expression for the derivatives \(\frac{\partial Ax}{\p…
GloVe
Lectures
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111
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2
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20 Dec '20
Could we learn GloVe word vectors using SVD?
If so, what modifications would we have to do?
- …
Is the guest lecture on YouTube?
Lectures
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92
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2
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19 Dec '20
Is the guest lecture on YouTube or were the presentations the guest lecture?
Exam preparation
Lectures
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192
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2
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18 Dec '20
Hi,
I wanted to ask for some advice for exam preparation. Can you tell us things to look at when…
How to compute U and S efficiently?
Lectures
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88
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2
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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…