İptal Edildi

Mathematician Wanted - Help Identifying Algorithm Being Used

I have a series of 15 digit numbers which are generated from a base algorithm.

For examples, 471103007127719 is broken down by {Prefix}{Sequence}{Master}{Check Digit}


Prefix = a static 5 digit number {47110}

Sequence = a 5 digit number. This is the number that this project will need to predict {30071}

Master = a static 5 digit number {2771}

Check Digit = a 1 digit number calculated from the other numbers

The Sequence number can increment from 1-99999. When I validate the number in my system only SOME of the full 15 digits are valid. It seems that an initial Sequence (ex: 00005) validates. After that there is a gap of ~ 15-25 before another one is successful. For example. The first code in a set is 18.

Then it follows like this:


The difference from one number to the next is


Here is example of testing sequence numbers between 1-50, with only 3 valid 15 digit codes:




This project will require someone to identify the algorithm used to determine the successful sequence.

I will provide:

- the check digit logic (last digit)

- Sample valid codes from a sequence (I have thousands of codes that can be used as a sample set)

Beceriler: Algoritma, C++ Programlama, Mühendislik, Matematik, Matlab ve Mathematica

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İşveren Hakkında:
( 3 değerlendirme ) Norwalk, United States

Proje NO: #20005288

Bu iş için 18 freelancer ortalamada $99 teklif veriyor


Hi I'm an expert in mathematics. I'm sure that I can easily do this project. We can have a chat about it. Thanks..

$150 USD in 2 gün içinde
(333 Değerlendirme)

Dear sir. Your project attracted my attention at first glance, because I've extensive experience in Math Programming. I'm really confident about your project, and very eager to join your project. If we have a chance Daha Fazla

$100 USD in 10 gün içinde
(80 Değerlendirme)

Hello, dear friend, I am an expert in matlab. I have a lot of experiences in many projects. Please let us discuss for your task. Best regards,

$75 USD in 7 gün içinde
(39 Değerlendirme)

Dear sir. I am a c++, python programming expert. I've got many experience in programming algorithm using these two languages. I've carefully read your description. I am sure I can help you perfectly. Hope to meet Daha Fazla

$100 USD in 10 gün içinde
(17 Değerlendirme)

Wonderful Project! I saw your description of the project in detail and I am very interested in your project. I 'm a master of mathematics and I have lots of experiences in using matlab. So I can do your project in t Daha Fazla

$100 USD in 10 gün içinde
(5 Değerlendirme)

Dear employer, Hi I love math problems and playing with digits. Please read the reviews of other employers on my profile. I have done my M.Sc. thesis using Python and MATLAB. It was about developing a numerica Daha Fazla

$100 USD in 10 gün içinde
(13 Değerlendirme)

I'm willing to look at it. No guarantees, obviously, and of course the project will be paid out if the algorithm is successfully figured out.

$75 USD in 7 gün içinde
(1 Yorum)

Hi. I can help you in matlab programming. i am expert in matlab since 2000 and working with it up to now. please contact with me to program your code. I will be so glad to work with you

$50 USD in 2 gün içinde
(0 Değerlendirme)

Hi! I have good knowledge and have rich experience in Matlab, so I can help you. Your project is very interest for me.

$60 USD in 7 gün içinde
(0 Değerlendirme)

I have current research on Soft Computing Algorithms on medical diagnosis. I think, this is a suitable problem for me.

1 gün içinde %bids___i_sum_sub_32%%project_currencyDetails_sign_sub_33% USD
(0 Değerlendirme)

Hi, I could try to help you, but I would need more info. Based on what you provided i guess the first check digits are: 2,3,0,1,3,0,1,... Is that right? I am not sure if this helps to solve the actual problem, but may Daha Fazla

1 gün içinde %bids___i_sum_sub_32%%project_currencyDetails_sign_sub_33% USD
(0 Değerlendirme)

Hi, I am passionate about algorithms and puzzles and would like to discuss your problem further. The problem here appears to be a challenge to my intellectual curiosity and I would like to take a stab at it. I am pl Daha Fazla

1 gün içinde %bids___i_sum_sub_32%%project_currencyDetails_sign_sub_33% USD
(0 Değerlendirme)

passion and strong interest in mathematics and hands-on experience in MATLAB makes me the best person you are looking for.

$75 USD in 7 gün içinde
(0 Değerlendirme)

Hello, It might be possible to guess the algorithm. It might not be possible to guess the next number from only one number. Some algorithms create next pseudo random number based on several previous numbers. Before I Daha Fazla

$75 USD in 7 gün içinde
(0 Değerlendirme)

I have done a mini course on ISBN codes. I also have more than 3 years of experience with coding in C++ and algorithms.

$55 USD in 10 gün içinde
(0 Değerlendirme)
$83 USD in 10 gün içinde
(0 Değerlendirme)

I just finished my master thesis last week, with 4.0/A, on using AI to make a 6-legged robot to walk. The setup of the problem here is similar and interesting, like solving a puzzle. I would be interested to continue Daha Fazla

$58 USD in 5 gün içinde
(0 Değerlendirme)

Hi, I'm expert in scientific and algorithmic computing. If there is a common logic, I'll discover the basis of the validation. if it depends on special logic (hidden) that you don't know, then I can promise to do my b Daha Fazla

$350 USD in 15 gün içinde
(0 Değerlendirme)