Problem 24 first question
CS-433 Exams · 283 · 4 · 12 Jan '21
Hi I don't understand why the last matrix inequality in the solution holds? Is this a property of a…
Clarification adversarial example
CS-433 Exercises · 158 · 6 · 12 Jan '21
Hi, I have a question regarding the solution of the problem set 10. Here : ![screen3.jpg](https…
How to derive the slope of an optimal linear regression?
CS-433 Exams · 257 · 5 · 12 Jan '21
Hello, How is alpha found for this problem? I understand that \alpha = cov(x,y)/var(x\) I a…
Bayes vs training !
CS-433 Uncategorized · 83 · 2 · 11 Jan '21
Helloooo I was wondering.... Can the training error be equal to the Bayes classifier without over…
Question 1 confidence intervals
CS-433 Exams · 223 · 6 · 11 Jan '21
Hi, Can anyone explain as to why we need 9N samples for the CI to shrink to sigma/3? I can't…
Computaional cost for grid search
CS-433 Lectures · 79 · 2 · 11 Jan '21
I am having trouble computing the computational cost for grid search. Can someone please help with …
Problem 10 - Exam 2017 - Neural Net with ReLUs
CS-433 Exams · 113 · 2 · 11 Jan '21
Hello all ! I have trouble understanding the following question : ![scredden.jpg](https://oknona…
"It is good to let your model overfit"
CS-433 Exams · 168 · 4 · 11 Jan '21
Hello, I was quite surprised by this sentence (Q19) when I read it is correct. Therefore, I look…
question 20
CS-433 Exams · 121 · 1 · 11 Jan '21
Hello, I have a hard time understanding the rigorous way to go about these kinds of question …
How to know where I should sit?
CS-433 Exams · 156 · 2 · 11 Jan '21
How to know where I should sit?
2018 exam problem 7
CS-433 Exams · 306 · 7 · 11 Jan '21
Hi, TA. I would like to ask why the partial derivative of w1 is not changed, I did not understand t…
Question 1 confidence intervals
CS-433 Exams · 77 · 1 · 11 Jan '21
Hi, Can anyone explain as to why we need 9N samples for the CI to shrink to sigma/3? I can't…
gan objective vs individual losses
CS-433 Lectures · 59 · 1 · 11 Jan '21
hello, I don't understand the link between the objective function and the individual losses. We …
GAN algorithm
CS-433 Lectures · 212 · 4 · 11 Jan '21
Hello, For the GAN algorithm, there are two different versions, one in the original slides and on…
Mock 2018: MCQ
CS-433 Exams · 144 · 2 · 11 Jan '21
Hello, For this question: [quest.JPG](https://oknoname-crm1.s3.amazonaws.com/spirit/images/217/1…
Matrix factorization exercise
CS-433 Exams · 174 · 2 · 11 Jan '21
Hi! I was trying to do this last exercise of 2016 exam, but I can't understand the solution to the …
Q23
CS-433 Exams · 143 · 3 · 11 Jan '21
Can someone please explain the solution for Q23. I know how to do it using the long way (calculatin…
GAN NE and algorithm
CS-433 Lectures · 164 · 4 · 11 Jan '21
Hi, I was looking at the GANS lecture for the NE definition and was wondering if it is local sho…
Duality: when is dual better than primal? (unclear)
CS-433 Lectures · 61 · 1 · 11 Jan '21
Hi! I'm still confused as to which cases are better with dual or with primal. The formulation o…
K means
CS-433 Lectures · 85 · 3 · 11 Jan '21
In lecture 10B, it was mentioned that K means clustering is NP-hard. Can you please explain what do…