exam 2017 problem 11
Exams · 207 · 3 · 12 Jan '21
Hi, So in exam 2017 problem 11: the answer is as follows: "Since I use a linear activation fun…
conflicting QCM
Exams · 327 · 8 · 12 Jan '21
Hello, It seems I can't wrap my head around why in this case: "linear regression can be made to …
Gradient of W§W matrices
Exams · 311 · 6 · 12 Jan '21
![Capture_W.JPG](https://oknoname-crm1.s3.amazonaws.com/spirit/images/196/8f9926249a97444cbacb16e1e…
stochastic gradient - problem 19
Exams · 177 · 3 · 12 Jan '21
Hi, In this question I use the derivative of the individual summand for the stochastic gradient …
Why "D vs N does not matter at all"? Final 2017 Problem 18
Exams · 264 · 3 · 12 Jan '21
Hi, We discussed the D>N problem in handout 01c. I don't understand why the answer to Problem 18…
Problem 24 first question
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…
Problem 10 - Exam 2017 - Neural Net with ReLUs
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"
Exams · 169 · 4 · 11 Jan '21
Hello, I was quite surprised by this sentence (Q19) when I read it is correct. Therefore, I look…
Problem19 Convex
Exams · 339 · 11 · 10 Jan '21
Could someone explain to me the fourth choice. Why is it not convex? Thanks in advance ![problem1…
Exam 2017 : problem 7
Exams · 181 · 4 · 10 Jan '21
Hello everyone, For context : ![ml_2017_question.jpg](https://oknoname-crm1.s3.amazonaws.com/sp…
convexity over set of vector
Exams · 82 · 1 · 10 Jan '21
Hi, I am confused about what is the definition of convexity over a pair of vectors. I understand…
Exam 2017 Problem 22
Exams · 177 · 2 · 8 Jan '21
Hello, I was wondering if the intersection between the two Train Error lines had any meaning or …