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Topic: Digital sum


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Nim

  
 Digital Root Information - Articles Free   (Site not responding. Last check: 2007-08-19)
The digital root of a number is the number received by adding all the digits, then adding the digits of that number, and then continuing until a single-digit number is reached.
Digital root of a square is 1, 4, 7, or 9
Digital roots can be calculated with congruences rather than by adding up all the digits, a procedure that can be a real time saver in the case of very large numbers.
www.articlesfree.com /index.php?title=Digital_root   (208 words)

  
 nrich.maths.org::Mathematics Enrichment::NRICH
I agree with you that the digital sum of 4444
The digital sum of any number K is the remainder when K is divided by 9, (or to say the same thing another way) it is the congruence class of K mod 9.
is 7 and hence the digital sum of 4444
www.nrich.maths.org.uk /askedNRICH/edited/1312.html   (289 words)

  
 Digital Transmission -- Digital Modulation and Fourier Series   (Site not responding. Last check: 2007-08-19)
While the only examples we have seen of Fourier series have involved sums of just two sine waves, Fourier's result allowed for the possibility that an infinite collection of sine waves might need to be added together to produce a sum equivalent to a given non-simple wave.
Both the carrier and the encoded signal were assumed to be simple sine waves and it was in understanding the complex modulated signal that was actually transmitted that we used a simple special case of a sum of sine waves to describe a complex wave.
If we modify the amplitude of one of the sine waves in the sum, this change in amplitude is passed on to both members of the corresponding pair of sine waves in the modulated signal.
www.cs.williams.edu /~cs105/s01/text/ch3/DigitalTrans_17.html   (2881 words)

  
 Nim - the free encyclopedia   (Site not responding. Last check: 2007-08-19)
The key to the theory of the game is the binarydigital sum of the heap sizes, that is, the sum (in binary) neglecting allcarry overs.
Binary digital sum shall be more formally represented by a series of exclusive-oroperations.
If the digital sum is 0 and you must make a move, thereis no way you can win the game (assuming the other player is a perfect player), you can only make random moves hoping to confuseyour opponent.
www.free-web-encyclopedia.com /?t=Nim   (2351 words)

  
 1.html
In this tutorial, we discuss the digital sum of a positive integer and a Maple program that calculates the digital sum.
If the sum of the digits is greater than 9 as in the case of 789 with 7+8+9 = 26 then we again add the digits of the result, 2+6 = 8.
In general, we keep adding the sum of the digits of the results until we get a single digit for an answer.
archives.math.utk.edu /mathtech/repeat-digitalsum   (471 words)

  
 esp@cenet description view
In order to limit the digital sum value, it is in principle possible to admit only code words with equal numbers of ones and zeros, i.e.
If this digital sum value for all the preceding words is zero, the initial state S0 is valid, while encoding has been effected in the initial state S1.
Words having instantaneous digital sum value of -4 cannot be mapped directly to the state S0 because they would reach the impermissible level 4 owing to inversion in the state S0.
v3.espacenet.com /textdes?&DB=EPODOC&IDX=EP150083   (7789 words)

  
 w3j_sum_97
Ultimately the article argues that digital signature laws, which impose a particular view of electronic commerce, should be abandoned in favor of laws that remove specific, well-defined barriers to electronic commerce and that allow the electronic commerce marketplace to evolve unfettered.
Digital signature legislation drafters have assumed that the potential liability exposure faced by CAs is somehow a flaw of the existing legal regime.
While digital signature legislation ostensibly addresses the use of cryptography only for the purposes of authentication, and not for confidentiality, the infrastructure created by these laws is ideal for implementing a key escrow scheme.
www.w3journal.com /7/s3.biddle.wrap.html   (5597 words)

  
 [No title]   (Site not responding. Last check: 2007-08-19)
The sum beam was formed as the sum of the left and right beams with twice central beam in accordance with Hanning prescription.
Sum beam is generated based on Hanning weighting and difference beam is generated based on full-cycle sine weighting.
Despite the effective blanking of the largest sidelobe of the classical sum beam formed via Hamming tapering, the sidelobe level of the adaptive sum beam is observed to be relatively flat, hovering around -37 dB with respect to main lobe.
www.bjkmf.hu /bszemle/elektro110101.html   (2631 words)

  
 Untitled
The digital figures of the planets under 12 houses show which house is strong and which house is weak.
After evaluation of digital scoring under favourable and negating houses, we are able to determine whether or not the matter is promised.
The dasa and bhuktis of the planets which show heavy digital scoring under negative houses may have to be skipped over to avoid negative results and wait for the dasa and bhuktis of the planets which have strong digital scoring under favourable houses to ensure success of the matter.
midhaastros.8m.com /about.html   (1505 words)

  
 Mathematical Challenges
Then we replace the second last digit 6 by 8, again increasing the digital sum by 2, and so on until the digital sum is increased by 8.
The sum of the ten digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 is 45.
The digit 6 should occupy the hundreds position as it is the largest available at this point, since 980 and 780 are not divisible by 8.
www.e-i-pi.com   (2208 words)

  
 nim   (Site not responding. Last check: 2007-08-19)
The key to the theory of the game is the binary digital sum of the heap sizes, that is, the sum (in binary) neglecting all carry overs.
In the normal game, the strategy is finishing every move with a digital sum of 0, which is always possible if it is different from 0 (in the example above, it suffices taking 2 objects from heap A).
If the digital sum is 0 and you must make a move, there is no way you can win the game (assuming the other player is a perfect player).
www.yourencyclopedia.net /nim.html   (658 words)

  
 Brian Haney   (Site not responding. Last check: 2007-08-19)
On June 2, 1994, Digital forecast to Plaintiff sales of 125 SONET Tester units in 1994 for a total of $3,000,000 total sales in 1994, with first sales to occur in August, 1994, and that the maximum borrowings Digital would need to make from Plaintiff would be $3 million.
On November 30, 1995, Defendant Digital exercised the Haney Shares Option, as amended, and received 4,900 shares of Digital from Plaintiff in exchange for payment of $800,522 and the Escrow was established by the deposit by Defendant Zwan of 2,346 shares of Digital common stock as Escrowed Shares.
The Digital shares received by Digital from Plaintiff including dividends and distributions on such shares constitute a res on which this Court may impose a trust; the proprietary technology embodied in the SONET Testers also constitutes a res on which the Court may impose a trust.
www.digl-watch.com /docs/haneysuit.htm   (6024 words)

  
 Sum-of-products multiplier with multiple memories and reduced total memory size - Patent 4573136
In a sum-of-products multiplier, such as is used in a digital filter, it is desired to be able to produce the sum of a number of independent multiplications of binary numbers each representing a signal value, i.e.
A sum of products multiplier as defined in claim 1 including means for controlling said accumulating of sums or differences in response to an associated positive weight or an associated negative weight of said applied input bits.
This invention relates to a sum-of-products multiplier, such as may be used in a digital filter in which a binary representation of an input signal has to be multiplied by coefficients of different sizes.
www.freepatentsonline.com /4573136.html   (2426 words)

  
 PUZZLES_TF
Let D be the number of digits of N. Let A be the number of digits of N equal to 1.
Let C be the number of digits of N equal to 0.
Let S be the sum of the digits of N. Let P be the product of the digits of N. Below are 5 sets of 4 statements each concerning N. Half of the statements are true and half are false.
www.geocities.com /bob_kraus_2000/PUZZLES_TF.html   (1502 words)

  
 Registration & Records - Course Catalog
Engineering principles of computer communications: summary of digital transmission, media and switching; error control, layering concept, overview of protocols; architectures for local, metropolitan, and wide-area networks; emerging issues in digital communications systems.
Digital filtering and applications in speech, sonar, radar, data processing and two-dimensional filtering and image processing.
Theory and analysis of digital communications in presence of noise and channel distortion.
www2.acs.ncsu.edu /reg_records/crs_cat/ECE.html   (4834 words)

  
 The Contest Center - Digit Puzzles
       The digital sum S(N) of an integer N is the sum of its decimal digits.
       The digital sum of an integer is the sum of its digits.
Find three positive integers such that the digital sum of the sum of any two of them is less than 5, but the digital sum of the sum all three is greater than 50.
www.contestcen.com /digits.htm   (2490 words)

  
 Digital Immortality: Paper   (Site not responding. Last check: 2007-08-19)
It is the natural, logical, and inevitable intersection of two indomitable forces: the movement of the digital world into the future and humankind's eternal quest for immortality.
Digital Immortality may be a major step up for the Digital Age, but all the so-called Ages since the Middle (even Paine's Age of Reason) are merely stages of the Age of Technology.
Digital immortality is also less invasive, less disruptive, less controversial, and far less expensive.
home.att.net /~leefrank/digital/paper.html   (5476 words)

  
 Winning Nim Algorithm
In row e, change the digit in every column having a 1 in the sum row, that is, in every column with an odd number of 1's.
Note that since the leftmost digit that is changed in row e is a 1 (this is how row e was chosen), changing digits in row e will yield a smaller number, call it h.
The digital sum in the last row is simply a 0 for all columns with an even number of 1's, and a 1 for all columns with an odd number of 1's.
www.2020tech.com /fruit/tech.html   (658 words)

  
 Method for modulating digital data and apparatus therefor (US6603411)   (Site not responding. Last check: 2007-08-19)
A method for modulating digital data and apparatus therefor is capable of determining a digital data stream coded by Run Length Limited swiftly and precisely so as to record data in a recording medium.
Therefore, with the method for modulating digital data and apparatus therefor, the digital data stream which will be modulated among a number of digital data streams can be selected precisely and swiftly.
comparing the penalty of the digital data stream and a penalty of another digital data stream to determine a digital data stream with a smaller penalty.
www.delphion.com /details?pn10=US06603411   (268 words)

  
 Puzzle 108. Methods for generating Smith numbers
is such that the sum of its digits is the sum of the digits of all its prime factors
At some point a new family will appear with a digital sum of 100 but working out the digital factor sum required will be tricky.
If the digit sum of the prime p is n, then the ratchet number R you want must have DS(R)*n=DFS(R)+n.
www.primepuzzles.net /puzzles/puzz_108.htm   (793 words)

  
 Assembler Source
;*************************************************************************** ; ; Precision Digital Altimeter Transmitter with NSC ADC12130 ; ========================================================= ; ; written by Peter Luethi, 25.12.1999, Switzerland ; last update : 23.4.2001 ; ; This code and accompanying files may be distributed freely and ; modified, provided this header with my name and this notice remain ; intact.
Two fourth order Butterworth active low pass ; filters (fc = 10 Hz) are implemented in front of the A/D channels ; 0 and 1 - realized with a quad Op-Amp - to minimize noise and to ; prevent aliasing.
Digital Data Processing ; ========================== ; After analog filtering and A/D conversion, the data has still some ; noise, what results in slightly toggling values.
www.electronic-engineering.ch /microchip/projects/alti/alti_tx.html   (656 words)

  
 Wilmott Forums - Options on Sums of Digital Payoffs
If performance is random, then they will probably come out ok. The bonds are rather like digitals, in that most of the time you will get all your coupons plus par back, and in the cases where you don't, you're not getting 90% or 95% - you're getting 20% or 30%.
The range of the sum of digitals is {0,1,2} depending on which quadrant you end up in.
The interesting contract in here would be Max(1, sum of digitals) - you always get 1, but if both assets perform well you get an extra kicker.
www.wilmott.com /messageview.cfm?catid=4&threadid=5634   (2118 words)

  
 The Contest Center - Mathematical Puzzles
The sum of its divisors 1, 2, 3, 4, 6, 12 is 28, which is more than 2×12.
       The digital sum D(n) of an integer n is the sum of its decimal digits.
For each decimal digit D, find the largest integer such that replacing each of its distinct decimal digits by D produces a prime.
www.contestcen.com /prime.htm   (1610 words)

  
 dorian moore : works
Sum the results of steps 2 and 3.
The check character is the smallest number which, when added to the result in step 4, produces a multiple of 10.
A complete ground up rebuild of a large part of the contextual features of the site, and the addition of a lot of new functionality, all sitting on top of the Critter CMS that I've been using on various sites over the last few years, with HTML and CSS wizardry by Paul Bruty.
www.dorianmoore.com /index.php/works?expand=true   (916 words)

  
 Data recording and/or reproducing method and data recording medium (EP0347934B1)   (Site not responding. Last check: 2007-08-19)
The present invention is concerned with a method for modulating and recording data, in which the data are modulated in such a manner that m-bit data are converted into n-bit data, where m and n are real integers and m
Method for modulating digital binary data to be recorded on a recording medium, including the steps of:
More particularly, it relates to a method for modulating and recording digital signals, a method for reproducing recorded signals and a recording medium on which the digital signals are recorded.
www.delphion.com /details?pn=EP00347934B1   (346 words)

  
 Core Java Technologies Technical Tips
If the sum of the entries in the array is 1, then the resulting image will have the same dynamic range as the original image.
As long as the sum of the entries is not zero, you normalize the kernel by dividing by this sum.
This cannot be normalized as the sum is zero.
java.sun.com /developer/JDCTechTips/2004/tt0210.html#2   (2056 words)

  
 BRYAN J. ZWAN vs. DIGITAL LIGHTWAVE (Scientology front)
On January 11, 1995, Defendant Zwan and Digital refused to permit Mr.
On November 30, 1995, Defendant Digital exercised the Haney Shares Op t i on, as amended, and received 4,900 shares of Digital from Plaintiff in exchange for payment of $800,522 and the Escrow was established by the deposit by Defendant Zwan of 2,346 shares of Digital common stock as Escrowed Shares.
If Plaintiff did not agree to the extension requested by attorney Joseph, the Escrowed Shares repre s ent ing 46% ownership of Digital would be automatically delivered to Plaintiff when Digital's payment was not received on July 20, 1996 or August 20, 1996.
www.skeptictank.org /haney.htm   (6130 words)

  
 GMU Courses - Electrical and Computer Engineering   (Site not responding. Last check: 2007-08-19)
Includes the specification of a computer system and the fabrication of a multichip random access memory, an arithmetic and logic unit and associated registers, input/output circuitry, and a control unit.
Topics include quantization, digital coding of analog waveforms, PCM, DPCM, DM, baseband transmission, digital modulation schemes, ASK, FSK, PSK, MSK, QAM, pulse shaping, intersymbol interference, partial response, voice-band and wideband modems, digital cable systems, regenerative repeaters, clock recovery and jitter, multipath fading, digital radio design, optimal receiver design, MAP receiver, and probability of error.
Study of the devices and circuit topologies used in digital integrated circuits.
www.gmu.edu /pubs/catalog/ece.html   (2052 words)

  
 Upto11.net - Wikipedia Article for Nim   (Site not responding. Last check: 2007-08-19)
Binary digital sum shall be more formally represented by a series of exclusive-or operations.
If the digital sum is 0 and you must make a move, there is no way you can win the game (assuming the other player is a perfect player), you can only make random moves hoping to confuse your opponent.
A B C Sum (Heaps A, B, and C) 3 4 5 010 I take 2 from A, leaving a sum of 000, so I will win.
www.upto11.net /generic_wiki.php?q=nim   (2534 words)

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