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Poker hand ranker

version 1.0.0.0 (2.51 KB) by Rob Slazas
Function that evaluates poker hands, returns ranks and text descriptions.

3.7K Downloads

Updated 02 Sep 2008

No License

A function that evaluates poker hands and returns a numerical rank and text description for each. The list of cards used to make the best possible hand is returned in 'usedcards'. If handsize is smaller than the length of hands given, then the cards not used in the best possible hand are returned in 'unusedcards'. Rank of 1 is best (Royal Flush), higher numbers are worse. Rank values are not contiguous across all hands, but are correctly ordered.

The hand matrix expected is an mxn list of m hands with n cards. The cards are numbered from 1 to 52. Suit doesn't matter for ranking. Order of the cards in the input vector does not matter. Numbering starts with the Ace at position 1. Here is a suggested card assignment:

A | K | Q | J | 10| 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | Suit
-------------------------------------------------------------
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10| 11| 12| 13| Spades
14| 15| 16| 17| 18| 19| 20| 21| 22| 23| 24| 25| 26| Hearts
27| 28| 29| 30| 31| 32| 33| 34| 35| 36| 37| 38| 39| Clubs
40| 41| 42| 43| 44| 45| 46| 47| 48| 49| 50| 51| 52| Diamonds

Example call to the function:
trick = [33,3,43,1,25,4,19;
6,36,20,10,35,21,38;
45,31,51,40,37,22,26;
28,49,46,32,17,16,39];
[ranks,descriptions,usedcards,unusedcards] = rankp(trick,2);

Cite As

Rob Slazas (2021). Poker hand ranker (https://www.mathworks.com/matlabcentral/fileexchange/17579-poker-hand-ranker), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2007b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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