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Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
![(a)
Compute the gradient (partial derivatives) of your negative log likelihood objective
c(w) = – In p(D|w).
(Ь)
Write the (first-order) gradient descent update rule for your parameters, using the
gradient you compute, assuming you start from current point wt and have stepsize n4.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F36a7a892-d2a2-4a6f-a8a2-55ad3cac8d8b%2F59459b93-9280-49c1-b868-e9dbb785aa51%2Ff8j8ps6o_processed.png&w=3840&q=75)
Transcribed Image Text:(a)
Compute the gradient (partial derivatives) of your negative log likelihood objective
c(w) = – In p(D|w).
(Ь)
Write the (first-order) gradient descent update rule for your parameters, using the
gradient you compute, assuming you start from current point wt and have stepsize n4.
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