Math Problem Statement
Misal 𝑿 adalah vektor random 𝐾 × 1 yang matriks kovariannya sama dengan matriks identitas: 𝑉𝑎𝑟 𝑿 = 𝑰. Kemudian diketahui vektor random Y: 𝒀 = 𝑨𝑿 Dimana 𝑨 adalah 𝐾 × 𝐾 matriks konstan sedemikian hingga berlaku : 𝑨 × 𝑨 𝑇 = 𝑰. Tentukan matriks kovarian dari 𝒀!
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Random Vector
Covariance Matrix
Linear Transformation
Orthogonal Matrix
Formulas
Var(Y) = A Var(X) A^T
Var(X) = I
A A^T = I
Theorems
Covariance of Linear Transformations
Orthogonality Condition of Matrices
Suitable Grade Level
Undergraduate (Linear Algebra / Probability Theory)
Related Recommendation
Transformation of Random Vectors with Covariance Matrix and Linear Transformations
Covariance Matrix Transformation for Random Variables
Understanding Covariance and Variance in Categorical Variables
Determine Values of 'a' for Orthogonal Matrix A
Solve A * B^T + B Matrix Problem | Step-by-Step Solution