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Lab10_Pb1_Minimizer Solution

CS433 exercises · 119 · 5 · 10 Jan '22

Hello, I don't really get how do we find delta* (cf picture) from the equality of the loss we der…

Lecture 9c risk

CS433 lectures · 65 · 1 · 10 Jan '22

Hi, Could you please explain me how the standard risk is obtained in this slide ? ![risk.jpg]…

Neural network_approximation f(x)_exam 2018

CS433 exams · 139 · 2 · 9 Jan '22

Hi, Why in the following question i don't get how do they find the parameters? Thank you very muc…

Lab07 Coordinate Descent (Ascent) for SVM

CS433 exercises · 80 · 1 · 9 Jan '22

Hi, After checking the solution of Lab07 and the lecture slide, I still feel puzzled about Coord…

[Lecture 4a] Proof: A simple union bound

CS433 lectures · 80 · 1 · 9 Jan '22

I couldn't understand why the probability of maximum deviation being larger than epsilon is smaller…

Computational complexity of ALS for Matrix Factorization

CS433 lectures · 77 · 1 · 9 Jan '22

Hello, In the lecture of matrix factorization, for the ALS method, it is asked the computational…

MC Grading

CS433 exams · 198 · 1 · 9 Jan '22

Hi, in the previous exams, what does it mean to get "0 points" for an answer that is "more than one…

SVD

CS433 lectures · 90 · 2 · 9 Jan '22

Hey, why the rank of this matrix is K? I don't know how to prove it:( Thanks, ![Capture95.JPG](…

What is as considered as known

CS433 exams · 241 · 3 · 8 Jan '22

Hi, When we need to prove something on the exam, can we use proofs that we have seen in lectures…

concave

CS433 lectures · 88 · 1 · 8 Jan '22

Hey, is this function concave? if yes, can someone please explain why? Thanks in advance, ![…

GAN

CS433 lectures · 83 · 1 · 8 Jan '22

Hey, it was said in the lecture that this is an approximation, but isn't it equality? minimizing lo…

Gaussian mixture models joint distribution

CS433 lectures · 101 · 2 · 8 Jan '22

Hello, I am wondering why there is twice the product over k in the formula below… isn't it suffi…

SVM least squares problems

CS433 lectures · 56 · 1 · 8 Jan '22

Hello, I don't understand why there is a 4 in front of the loss associated to the least squares pr…

Garding for passing the course

CS433 exams · 328 · 2 · 8 Jan '22

Hi, I'm wondering whether we can be told how the grades in written exam will be transformed to t…

Adversarial ML

CS433 lectures · 88 · 2 · 8 Jan '22

Hello, In the adversarial ML lecture, I don't understand well the paragraph below. Why when it …

soft-clustering

CS433 lectures · 85 · 1 · 7 Jan '22

Hey, from this equation, it looks like the probability that xn is in cluster k ( \(\pi)k) doesn't d…

Lab 7 problem 2

CS433 exercises · 114 · 2 · 7 Jan '22

Hello, For the first question of problem 2, would it be possible to have detailed passage from …

SGD Lab 7

CS433 exercises · 60 · 1 · 7 Jan '22

Hello, I do not understand why for the update of the weights, gamma is divided by #iters +1? …

Question about Nearest Neighbor Exponential Blowup - Week 6b

CS433 lectures · 94 · 2 · 6 Jan '22

The second term in the bound for the error of the 1-NN classifier is \(4c \sqrt{d} N^{-\frac{1}{d+1…

Exam 2018 question

CS433 Uncategorized · 243 · 3 · 6 Jan '22

I am looking at problem ten, and wonder why x value of 1 does not have a subgradient?