Название | : | Derangement (extra footage) - Numberphile |
Продолжительность | : | 5.32 |
Дата публикации | : | |
Просмотров | : | 115 rb |
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Can someone explain why things like these are always 1/e? Comment from : Arya Tripathi |
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I wonder how this relates to Sierpiñski triangles Comment from : Qeith Wreid |
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2:50 That's the inclusion exclusion principle right? Comment from : Sankhanil Nayek |
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Thistook me back!br😁 Comment from : XB10001 |
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This video is for all the dedicated viewers, cut to 3:40 you might have to think about this brbrHOWWW PLS EXPLAIN Comment from : Ksatya Sirisha |
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Fun fact, the method of adding and subtracting the overlaps is called the Inclusion-Exclusion Priniciple Comment from : Kulloth |
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Dedicated viewer? Do you mean JEE Advanced aspirants? :) Comment from : Mahima |
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Playing with this a little bit, I found an interesting result If n is odd, divide n! by e and round down If n is even, round up If for any n (greater than 2), you round in the "wrong" direction, you get the number of permutations with exactly 1 fixed point Comment from : Patrick McKinley |
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Sorry some typo just now Comment from : BH Khor |
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Someone please help me out with a question which has been driving me crazy!brWhat is the probablity of only the last item being a fixed point?brEg, in the card game he played, ONLY the number 10 being a fixed point?brSpecifically, what is the general formula for this? Comment from : Thomas Robinson |
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Dedicated viewers? Comment from : Alex King |
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Very helpful video thanks a lot sir Comment from : Abhishek Purohit |
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Wrong formula IdioTSSSS Comment from : Santosh Pandey |
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Just interesting to note that the number of views of this video divided by the number of the main one is 0271077brAccurate to 01e by 997 Comment from : Louis Cho |
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This gets 1/e if n tends to infinity, but the formula does also work for very small n Why? Can anyone tell my why? Comment from : MagicKids TV |
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