2. Optimization: Consider the functional entropy defined as S[p] = -dap(z) log p(x) (1) where p(x)...
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2. Optimization: Consider the functional entropy defined as S[p] = -dap(z) log p(x) (1) where p(x) is a well defined probability density for a ERU {0}. Suppose that all the knowledge we have about p(x) is summarized in the following properties: 1= [drp(2 µ = [dap(x)x (2) (3) where ER is known. By using the definition of the functional derivative of a functional F (introduced in lecture 7): (30 marks) SF p =F\p(x) + A8(x - ốp(ro) where p is a suitable probability density, AER is a real number and 8(x-ro) is the Dirac's delta function centered at zo, demonstrate that the probability density that minimizes the functional entropy (1) subject to the constraints (2) and (3) is an exponential distribution: P(x)= - FO)1|AMO "1 2. Optimization: Consider the functional entropy defined as S[p] = -dap(z) log p(x) (1) where p(x) is a well defined probability density for a ERU {0}. Suppose that all the knowledge we have about p(x) is summarized in the following properties: 1= [drp(2 µ = [dap(x)x (2) (3) where ER is known. By using the definition of the functional derivative of a functional F (introduced in lecture 7): (30 marks) SF p =F\p(x) + A8(x - ốp(ro) where p is a suitable probability density, AER is a real number and 8(x-ro) is the Dirac's delta function centered at zo, demonstrate that the probability density that minimizes the functional entropy (1) subject to the constraints (2) and (3) is an exponential distribution: P(x)= - FO)1|AMO "1
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To find the probability density that minimizes the functional entropy 1 subject to the constraints 2 and 3 we can use the method of Lagrange multiplie... View the full answer
Related Book For
Microeconomics An Intuitive Approach with Calculus
ISBN: 978-0538453257
1st edition
Authors: Thomas Nechyba
Posted Date:
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