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Re: Hamming Sequences and Lazy Lists

by tlm (Prior)
on Mar 17, 2005 at 20:39 UTC ( #440537=note: print w/ replies, xml ) Need Help??

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  1. or download this
    my @first_200 = take(200, gen_hamm(2, 3, 5));
    print "@first_200\n";
    
  2. or download this
    1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 
    +64 72 75 80 81 90 96 100 108 120 125 128 135 144 150 160 162 180 192 
    +200 216 225 240 243 250 256 270 288 300 320 324 360 375 384 400 405 4
    +32 450 480 486 500 512 540 576 600 625 640 648 675 720 729 750 768 80
    +0 810 864 900 960 972 1000 1024 1080 1125 1152 1200 1215 1250 1280 12
    +96 1350 1440 1458 1500 1536 1600 1620 1728 1800 1875 1920 1944 2000 2
    +025 2048 2160 2187 2250 2304 2400 2430 2500 2560 2592 2700 2880 2916 
    +3000 3072 3125 3200 3240 3375 3456 3600 3645 3750 3840 3888 4000 4050
    + 4096 4320 4374 4500 4608 4800 4860 5000 5120 5184 5400 5625 5760 583
    +2 6000 6075 6144 6250 6400 6480 6561 6750 6912 7200 7290 7500 7680 77
    +76 8000 8100 8192 8640 8748 9000 9216 9375 9600 9720 10000 10125 1024
    +0 10368 10800 10935 11250 11520 11664 12000 12150 12288 12500 12800 1
    +2960 13122 13500 13824 14400 14580 15000 15360 15552 15625 16000 1620
    +0
    
  3. or download this
    sub gen_hamm {
      return [] unless @_;
    ...
        );
      }
    }
    
  4. or download this
    my $fibs;
    $fibs = ll_new(0, memoize(sub { ll_new(1,
    ...
    
    my @first_100 = take( 100, $fibs );
    print "@first_100\n";
    
  5. or download this
    0 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597 2584 4181 6765 1
    +0946 17711 28657 46368 75025 121393 196418 317811 514229 832040 13462
    +69 2178309 3524578 5702887 9227465 14930352 24157817 39088169 6324598
    +6 102334155 165580141 267914296 433494437 701408733 1134903170 183631
    +1903 2971215073 4807526976 7778742049 12586269025 20365011074 3295128
    +0099 53316291173 86267571272 139583862445 225851433717 365435296162 5
    +91286729879 956722026041 1548008755920 2504730781961 4052739537881 65
    +57470319842 10610209857723 17167680177565 27777890035288 449455702128
    +53 72723460248141 117669030460994 190392490709135 308061521170129 498
    +454011879264 806515533049393 1.30496954492866e+15 2.11148507797805e+1
    +5 3.41645462290671e+15 5.52793970088476e+15 8.94439432379146e+15 1.44
    +723340246762e+16 2.34167283484677e+16 3.78890623731439e+16 6.13057907
    +216116e+16 9.91948530947555e+16 1.60500643816367e+17 2.59695496911123
    +e+17 4.2019614072749e+17 6.79891637638612e+17 1.1000877783661e+18 1.7
    +7997941600471e+18 2.88006719437082e+18 4.66004661037553e+18 7.5401138
    +0474635e+18 1.22001604151219e+19 1.97402742198682e+19 3.1940434634990
    +1e+19 5.16807088548583e+19 8.36211434898484e+19 1.35301852344707e+20 
    +2.18922995834555e+20
    
  6. or download this
    sub gen_hamm {
      return [] unless @_;
    ...
      element_wise( sub { $_[ 0 ] + $_[ 1 ] }, @_ );
    }
    

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