Let $y = x_1 + x_2$ and assume that $x_1$ and $x_2$ are i.i.d. RV both with the probability densitiy function ${pdf}_{x_1}(x) = pdf_{x_2}(x) = f(x)$. What is the mutual information $I(y|x_1)$ maximizing pdf $f(x)$ and how to proof this?
2026-04-08 15:42:46.1775662966
Mutual Information on a shared pdf
111 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in INFORMATION-THEORY
- KL divergence between two multivariate Bernoulli distribution
- convexity of mutual information-like function
- Maximizing a mutual information w.r.t. (i.i.d.) variation of the channel.
- Probability of a block error of the (N, K) Hamming code used for a binary symmetric channel.
- Kac Lemma for Ergodic Stationary Process
- Encryption with $|K| = |P| = |C| = 1$ is perfectly secure?
- How to maximise the difference between entropy and expected length of an Huffman code?
- Number of codes with max codeword length over an alphabet
- Aggregating information and bayesian information
- Compactness of the Gaussian random variable distribution as a statistical manifold?
Trending Questions
- Induction on the number of equations
- How to convince a math teacher of this simple and obvious fact?
- Find $E[XY|Y+Z=1 ]$
- Refuting the Anti-Cantor Cranks
- What are imaginary numbers?
- Determine the adjoint of $\tilde Q(x)$ for $\tilde Q(x)u:=(Qu)(x)$ where $Q:U→L^2(Ω,ℝ^d$ is a Hilbert-Schmidt operator and $U$ is a Hilbert space
- Why does this innovative method of subtraction from a third grader always work?
- How do we know that the number $1$ is not equal to the number $-1$?
- What are the Implications of having VΩ as a model for a theory?
- Defining a Galois Field based on primitive element versus polynomial?
- Can't find the relationship between two columns of numbers. Please Help
- Is computer science a branch of mathematics?
- Is there a bijection of $\mathbb{R}^n$ with itself such that the forward map is connected but the inverse is not?
- Identification of a quadrilateral as a trapezoid, rectangle, or square
- Generator of inertia group in function field extension
Popular # Hahtags
second-order-logic
numerical-methods
puzzle
logic
probability
number-theory
winding-number
real-analysis
integration
calculus
complex-analysis
sequences-and-series
proof-writing
set-theory
functions
homotopy-theory
elementary-number-theory
ordinary-differential-equations
circles
derivatives
game-theory
definite-integrals
elementary-set-theory
limits
multivariable-calculus
geometry
algebraic-number-theory
proof-verification
partial-derivative
algebra-precalculus
Popular Questions
- What is the integral of 1/x?
- How many squares actually ARE in this picture? Is this a trick question with no right answer?
- Is a matrix multiplied with its transpose something special?
- What is the difference between independent and mutually exclusive events?
- Visually stunning math concepts which are easy to explain
- taylor series of $\ln(1+x)$?
- How to tell if a set of vectors spans a space?
- Calculus question taking derivative to find horizontal tangent line
- How to determine if a function is one-to-one?
- Determine if vectors are linearly independent
- What does it mean to have a determinant equal to zero?
- Is this Batman equation for real?
- How to find perpendicular vector to another vector?
- How to find mean and median from histogram
- How many sides does a circle have?