2. For the following function known as the "logsumexp", fä) = log exp(x;) a. When p = 2, use the second-order characterization to show f(x) is convex. b. When p > 2, use the restrciting-to-a-line technique to show f(x) is convex.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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2. For the following function known as the "logsumexp",
f(ä) = log exp(x;)
%3D
i=1
a. When p = 2, use the second-order characterization to show f(x) is convex.
b. When p> 2, use the restrciting-to-a-line technique to show f (x) is convex.
Transcribed Image Text:2. For the following function known as the "logsumexp", f(ä) = log exp(x;) %3D i=1 a. When p = 2, use the second-order characterization to show f(x) is convex. b. When p> 2, use the restrciting-to-a-line technique to show f (x) is convex.
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