glen herrmannsfeldt <g...@ugcs.caltech.edu> writes:Given the number of intelligent people (glen, I mean people like you)
> In comp.dsp Willem <wil...@turtle.stack.nl> wrote:
>> christian.bau wrote:
>> ) On Oct 31, 8:32?am, Christian Gollwitzer <aurio...@gmx.de> wrote:
>> )> 4) Estimate the sum of digits of 3^1000
>> )> ? ? ? ? sum of digits of 3^1000 ~ 4.5*477 = 2146.5
>> )> which is astonishingly near to the true answer 2142.
>> ) The last digit is 1 (Powers of 3 end in 3, 9, 7, 1, 3, 9, 7, 1 etc.);
>> Taking into account that it has to be a multiple of 9,
> Not a mathematical proof, but you can use statistical arguments
> If you can assume that the digits are uncorrelated, then the
> The lowest and highest digits aren't so uncorrelated, though.
> It would take more math than I know to show the digit correlation
who have viewed this problem and the dearth of solutions, I'd say this
is a crappy interview question. Something like, "Solve Fermat's Last
Digital Signal Labs
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