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JavaScript Program for Subtraction of Matrices
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Javascript Program for Markov matrix

Last Updated : 12 Sep, 2024
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Given a m x n 2D matrix, check if it is a Markov Matrix.

Markov Matrix : The matrix in which the sum of each row is equal to 1.

Example of Markov Matrix

Examples: 

Input :
1    0   0
0.5  0  0.5
0    0   1
Output : yes

Explanation :
Sum of each row results to 1, 
therefore it is a Markov Matrix.

Input :
1 0 0
0 0 2
1 0 0
Output :
no

Approach: Initialize a 2D array, then take another single dimensional array to store the sum of each rows of the matrix, and check whether all the sum stored in this 1D array is equal to 1, if yes then it is Markov matrix else not. 

JavaScript 
// Javascript code to check Markov Matrix  let n = 3  function checkMarkov(m) {     // outer loop to access rows     // and inner to access columns     for (let i = 0; i < n; i++) {         // Find sum of current row         let sum = 0;         for (let j = 0; j < n; j++)             sum = sum + m[i][j];         if (sum != 1)             return false;     }     return true; }  // driver code   // Matrix to check let m = [[0, 0, 1], [0.5, 0, 0.5], [1, 0, 0]];  // calls the function check() if (checkMarkov(m))     console.log(" yes "); else     console.log(" no ");

Output
 yes

Complexity Analysis:

  • Time Complexity: O(m*n), Here m is the number of rows and n is the number of columns.
  • Auxiliary Space: O(1), As constant extra space is used.

Please refer complete article on Program for Markov matrix for more details!


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JavaScript Program for Subtraction of Matrices
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kartik
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Article Tags :
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  • JavaScript
  • Web Technologies
  • DSA
  • JavaScript-Program
Practice Tags :
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