# Answer to Question #67183 in Other Engineering for Jeff

Question #67183

Consider the following problem related to entropy maximisation in information theory. For ease of solution you can solve the problem ignoring the non-negativity constraints on p and q and then verify that they are satisfied.

min p log P + q log q

subject to p+q =1

p,q.>=0

i. Solve the primal problem directly

ii. Obtain the dual problem and solve it. Verify it gives the same answer as the primal problem.

iii. By doing an internet search or looking up textbooks, explain why this problem would be

called an “entropy maximisation” problem.

min p log P + q log q

subject to p+q =1

p,q.>=0

i. Solve the primal problem directly

ii. Obtain the dual problem and solve it. Verify it gives the same answer as the primal problem.

iii. By doing an internet search or looking up textbooks, explain why this problem would be

called an “entropy maximisation” problem.

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