Pinterest Interview Questions

William M. - "Relu = 0 if > some threshold else x sigmoid normalizes to 0-1 asymptotically"See full answer

Alan T. - "The difference between convex and nonconvex functions lies in their mathematical properties and the implications for optimization problems. Convex Functions:A convex function has a shape where any line segment connecting two points on its graph lies entirely above or on the graph. This property ensures that any local minimum is also a global minimum, making optimization straightforward and reliable. Convex functions are critical in machine learning and optimization tasks because of th"See full answer

Exponent - "You should be able to identify this as a clear Strategy Question, which asks you to justify high-level business decisions and strategy. One thing to note is the interviewer said "briefly". Be concise and to the point. Here are some good arguments for the Youtube acquisition: > There are a few reasons why Google would want to acquire YouTube. I'll go over a few of the main reasons why I think they went ahead with such a large acquisition. At the time of the YouTube acquisition, Google and You"See full answer

Bhavya V. - "Overfitting is the condition where your model is giving an unexpectedly higher accuracy because of its training in a small database and not getting exposed to anu different type of database while testing"See full answer