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###### Lecture 9c typo

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19 Jan '22

Hi,
There is a typo in this slide :
![typo.jpg](https://oknoname-crm1.s3.amazonaws.com/spirit/i…

###### Non-robust features in adversarial examples

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19 Jan '22

Hello,
Can someone explain what does a non-robust feature mean and the meaning of the values in th…

###### Approximating a step function with a sigmoid

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19 Jan '22

In slide 16 of 8ab, how did we find that the width of transition is O(4\w) ?

###### Proof of representer theorem

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19 Jan '22

Hello,
In the proof of representer theorem, how can transpose of optimal w-u be equal to transpose…

###### Negative log likelihood when y ∈ {−1,1}

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19 Jan '22

Hello,
How does the w* rule change when y ∈ {−1,1} ?
Thanks

###### matrix factorisation with SVD

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19 Jan '22

Hi,
Is it true to say that : 1) Any matrix factorisation of a given matrix X can be done via trunc…

###### ALS

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19 Jan '22

Hey, is ALS and iterative algorithm or not? if i understand correctly, it is not, but I am not sure…

###### Questions about KNN, weight sharing, NN...

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19 Jan '22

Hi,
I have a lot of questions, sorry about this.
Do we always assume that the function we use…

###### K cross validation vs split train test

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19 Jan '22

Hi,
In the 4th lecture, it is written that K fold cross validation returns an unbiased estimation …

###### Lecture 9 c- adversarial examples

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19 Jan '22

Two questions:
I was wondering if when generating adversarial examples we have seen in class, if…

###### KNN

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18 Jan '22

Hey, I didn't understand these equalities, they have the same concept which i am missing out, can s…

###### PCA

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18 Jan '22

Hello, I would have two questions about the lecture on PCA.
- First of all, I'm not sure to under…

###### Exponential family

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18 Jan '22

Hey, if the mean equals to zero we get ln(0), which is not defined, so should we add a constraint t…

###### Lecture 9: Flipping the filter for CNNs

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17 Jan '22

Hi,
I think I did not get when you presented the example with shared weights what was the "conv…

###### Classification by risk minimization

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17 Jan '22

Hey, I have some questions regarding the following slide:
1) Ltrain is not convex as a function …

###### difference MAP and MLE

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17 Jan '22

Hello,
I don't really understand the difference between MAP and MLE ?

###### neighbours in knn

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17 Jan '22

Hello,
In k-nn, in order to compute the training error (given our training set) do we always assu…

###### Sigmoid Fonction transition for Neural Network

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14 Jan '22

Hello
In this lectures said that b is where the transition happen.
But on the Neural network we…

###### [Lecture 12.a] GAN equilibrum computation

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14 Jan '22

Hi,
When studying the convergence of the loss function (in section "The GAN framework: Equilibri…

###### The likelihood function

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14 Jan '22

I am confused by this slide. Isn’t the likelihood function is the probability of the observation gi…