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#76 |
Jotter of Notes
Join Date: Feb 2008
Posts: 11
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As long as there are a finite number of cards, it is completely possible that two identical shuffles could happen, although highly unlikely.
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#77 |
Esnohplad Semaj Ton
Join Date: Feb 2005
Location: A little south of sanity
Posts: 2,259
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Why not write a computer program to see if you can get any repeat shuffles in a reasonable time frame?
Or even do it for one suit and then extrapolate how long it would take for the same thing to occur in an entire deck? |
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#78 |
Kinda New Member
Join Date: Sep 2013
Posts: 1
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Hand shuffler seeks advice
I shuffle cards to pass time and break boredom. I know the montony of shuffling can produce boredom, but for some reason it relaxes and helps sooth tension, stress and anxiety.
One thing I have been noticing lately when I shuffle the deck and look through it afterwards to just see the distribution. sometimes there is only on set of double number (same number, varying suit) and at other times as many a five such pairings in a single after-shuffle. Recently too I have been finding instances of 3 same number of differing suits grouped together and at others straights and the such. I am a math affecianado too, and probability/Permutations fascinate me, and I am just wondering why this occurs, it seems that shuffling the deck is just as chancy as playing a game of Poker and that everything is determined by the luck of the draw. I would appreciate some banter on this phenomenon because it bugs me that it happens, but I accept it begrudingly. I mean seeing one, two and as many pairings as 5 from a single overhand shuffle of 8 to 20 passes really annoys me. And I guess we are all looking for that perfect shuffle, aren't we? Well I guess it'll never happen, not with the number of permutations available for a standard Poker deck. Thanks. |
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#79 |
Radical Centrist
Join Date: Jan 2001
Location: Cottage of Prussia
Posts: 31,423
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I think the perfect shuffle is merely an entirely random shuffle. And that means there are going to be pairs and whatnot... because it's random. You shouldn't have the expectation of no pairs if it's more likely that pairs will happen.
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#80 |
I love it when a plan comes together.
Join Date: Oct 2009
Posts: 9,793
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Anyone expecting a perfect shuffle from a random shuffle is doing it wrong. One should do a stratified random shuffle to break up the patterns. The Wizard of Oz told me so.
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#81 |
To shreds, you say?
Join Date: Aug 2004
Location: in the house and on the street-how many, many feet we meet!
Posts: 18,449
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Faro shuffle.
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#82 |
still says videotape
Join Date: Feb 2001
Posts: 26,813
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How many permutations does the Icky Shuffle have?
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If you would only recognize that life is hard, things would be so much easier for you. - Louis D. Brandeis |
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#83 |
Read? I only know how to write.
Join Date: Jan 2001
Posts: 11,933
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So what happens when I shuffle down the road?
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#85 |
The Un-Tuckian
Join Date: Apr 2007
Location: South Central...KY that is
Posts: 39,517
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#86 |
Turns out my CRS is a symptom of TMB.
Join Date: Jan 2010
Location: Chicago suburbs
Posts: 2,916
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Tangentially pertinent. I read somewhere years ago that 7 shuffles between hands was optimal. After that, the deck does not get more random.
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#87 |
Makes some feel uncomfortable
Join Date: Dec 2005
Posts: 10,346
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#88 |
The Un-Tuckian
Join Date: Apr 2007
Location: South Central...KY that is
Posts: 39,517
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Since we're drifting, kinda...
I don't know how many times the cards were shuffled, but, this one time, at whiskey camp, I got dealt this hand. Deuces were wild. True Story®. ![]() ![]() [/drift]
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#89 | |
Makes some feel uncomfortable
Join Date: Dec 2005
Posts: 10,346
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Quote:
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#90 |
The Un-Tuckian
Join Date: Apr 2007
Location: South Central...KY that is
Posts: 39,517
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Hell, I almost didn't give the cards back after the hand!
__________________
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