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Jens Kjærgaard Boldsen


Last seen: 17 days ago Active since 2016

I'm just this guy, you know

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  • MATLAB Central Treasure Hunt Finisher
  • Scavenger Finisher
  • Strings II Master
  • Combinatorics I Master
  • Sequences And Series II Master
  • Promoter
  • Number Manipulation II Master
  • Matrix Patterns II Master
  • Project Euler I
  • Matrix Manipulation II Master
  • Computational Geometry I Master
  • Strings I Master

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Make a Plot with Functions
Make a plot and test

20 days ago

Solved


The Birthday Phenomenon
First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

20 days ago

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Throwing Dice - Will You Be Eaten By The Dragon?
You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x ...

20 days ago

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Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

2 months ago

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The sliding puzzle: 15
If you are unfamiliar with the sliding puzzle, enter the command _fifteen_ in your MATLAB command window (or search online, of c...

4 months ago

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Sudoku Solver - Standard 9x9
Solve a Standard 9x9 <http://en.wikipedia.org/wiki/Sudoku Sudoku>. Values 1 thru 9 occur in each row, column, and the nine non-o...

5 months ago

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Valid Chess Moves
Using <http://en.wikipedia.org/wiki/Algebraic_chess_notation standard Algebraic notation> ('' for a pawn), given previous move a...

10 months ago

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GJam 2014 China Rd B: Sudoku Checker
This Challenge is derived from <http://code.google.com/codejam/contest/2929486/dashboard#s=p0 GJam 2014 China Sudoku>. Large Cas...

10 months ago

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Eight Queens Solution Checker
Write a function to verify whether an arrangement of queens on a chessboard is a valid solution to the classic <http://en.wikipe...

10 months ago

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Sudoku square
We have a small Sudoku square, but one number is missing. x = [ 1 5 4 8 6 3 0 9 7 ] Make a function, wher...

10 months ago

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Alternately upper-lower case
Modify the string to alternate between upper and lower case. For example, s='achyuta' output='AcHyUtA'

10 months ago

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most frequent character
Obtain the most frequent character. For example, s='balaram'; output='a'; If there is a tie between letters, return t...

10 months ago

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Concatenate strings
concatenate a variable number of input strings to produce one outputstring

10 months ago

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Split a given string from the first instance of a given character
A simple operation to split a given string into two substrings at the point where the desired character is first found. e.g. ...

10 months ago

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Simple Caesar Cypher - shift encrypt a message given an index number
A Caesar cypher is a simple shift encryption method. Your goal is to create a function that allows a user to input a string and ...

10 months ago

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Backslang, odds are you used it at some point in time...
So backslang is a language that can be used to communicate in an easy decode code, if people know the rules of decoding it. Wel...

10 months ago

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Mean and standard deviation of times in string
Input(t) - cell of strings with times in format 'min:sec.ms' Output([m, s]) - two strings with mean and standard deviation wi...

10 months ago

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Kryptos - CIA Cypher Sculpture: Vignere Decryption
The <http://en.wikipedia.org/wiki/Kryptos Kryptos Sculpture> contains four encypted messages. This Challenge is to Decrypt tw...

10 months ago

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Kryptos - CIA Cypher Sculpture: Vigenere Encryption
The <http://en.wikipedia.org/wiki/Kryptos Kryptos Sculpture> contains four encypted messages. This Challenge is to Encrypt tw...

10 months ago

Solved


Morse Code Generator! Try it!
.... . .-.. .-.. --- . ...- . .-. -.-- --- -. . -.-.-- .-.. . - ... -.. --- ... --- -- . -- --...

10 months ago

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N-th permutation.
Let write some permutations of positive integers. 1: 1 2 3 4 5 6 ... 2: 2 1 3 4 ... 3: 1 3 2 4 ... ...

11 months ago

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Which permutation is it?
Let write some permutations of positive integers. 1: 1 2 3 4 5 6 ... 2: 2 1 3 4 ... 3: 1 3 2 4 ....

11 months ago

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Possible Outcomes of American Roulette
The payout for American roulette can be calculated by: payout = (38/n)-1 where n is the number of squares the bet covers. ...

11 months ago

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A (wrong) place for everything, and everything in its (wrong) place
You have an equal number of cups and balls, each labelled from one to N. You randomly place one ball in each cup. Determine th...

11 months ago

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Numbered lottery balls into cells
You are running a lottery, and have a number of different balls numbered 1 to N. Your job is to figure out how many different w...

11 months ago

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Put m balls into n boxes (again)
According to <http://www.mathworks.com/matlabcentral/cody/problems/1516-put-m-balls-into-n-boxes Cody Problem 1516>, if I put 3 ...

11 months ago

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Put m balls into n boxes
Can you find all the cases where, if I put 3 balls into 2 boxes the case is 1 1 1 1 1 2 1...

11 months ago

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Get ranking of a combination looking for speed.
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

11 months ago

Solved


Get ranking of a combination
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

11 months ago

Solved


Usage of java.math : N Choose K with unlimited precision
Calculate the binomial coefficient nchoosek with full accuracy. This challenge may use the wonderful word of java.math that allo...

11 months ago

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