機率
馬可夫鏈的轉移矩陣
了解轉移矩陣如何表示馬可夫鏈中的狀態變化、為什麼各列總和為 1,以及如何透過乘以狀態向量來預測下一個分佈。
Problem
Transition matrix
Step 1: Define the Transition Matrix
A transition matrix describes the probabilities of moving between states in a system. Each entry represents the probability of moving from state to state .
Step 2: Check Row Sums
Every row of a transition matrix must sum to exactly , since the total probability of moving from any given state to all possible next states is .
Step 3: Find the Next State Distribution
To find the next state distribution, multiply the current state vector by the transition matrix:
概念
Data Analysis and Distributions
Probability distributions assign probabilities to each possible outcome. The expected value gives the long-run average outcome. Used for making informed decisions.
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