title: How to find the max of each row in 2d arrays?
body: <p>For example, I have this 2d array:</p>
  
  <pre><code>[
      [
       0.0,
       0.24320757858085434,
       0.14893361727523413,
       0.29786723455046826,
       0.18838778030301612,
       0.12160378929042717
      ],
      [
       0.23717478210768014,
       0.0,
       0.16770789675478251,
       0.20539938644228997,
       0.25981195646349819,
       0.1299059782317491
      ],
      [
       0.21681956134183847,
       0.250361664212574,
       0.0,
       0.23178986094050727,
       0.16390018248131957,
       0.13712873102376066
      ],
      [
       0.2933749527592357,
       0.20744741852633861,
       0.15681550844086434,
       0.0,
       0.18554661183269694,
       0.15681550844086434
      ],
      [
       0.20305810393286577,
       0.28716752453162431,
       0.12135042758887897,
       0.20305810393286577,
       0.0,
       0.18536584001376513
      ],
      [
       0.17877693623386351,
       0.19584032147389943,
       0.13848001934394774,
       0.23407395508684939,
       0.25282876786143976,
       0.0
      ]
  ]
  </code></pre>
  
  <p>which gives sets of probabilities. How can I find the best probability of each row? And also is there any way to find for example the 2nd, 3rd best probability without changing the elements' positions?</p>