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Jonathan


Last seen: 3年以上 前 |  2011 年からアクティブ

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  • Thankful Level 2
  • Knowledgeable Level 3
  • Cody Challenge Master
  • Puzzler
  • First Review
  • Cody5 Easy Master
  • Divisible by x Master
  • Magic Numbers II Master
  • Matrix Manipulation I Master
  • Project Euler I
  • Sequences And Series I Master
  • Scholar

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解決済み


Matrix spiral
Make a spiral in a (n*n) matrix. The spiral has to start in the top left, and has to rotate clockwise to the center. The spiral ...

3年以上 前

解決済み


Twist 'n' Match
Given n and m, construct an n-by-n matrix a such that a, when rotated 90 degrees and compared with itself, matches itself in exa...

3年以上 前

解決済み


Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

4年以上 前

質問


How to get intlinprog to stop when the answer is good enough?
The code below finds an maximum independent set of the graph whose adjacency matrix is A. I would like to pass an option to intl...

4年以上 前 | 1 件の回答 | 0

1

回答

解決済み


Create Circular Perfect Square Sequence
A sequence v(1:N) made of values 1:N can be created for N>31 such that v(i)+v(i+1) is a perfect square. The sum of v(N)+v(1) mus...

4年以上 前

解決済み


Hamiltonian Cycle
This is related to the Travelling Salesman Problem <http://www.mathworks.com/matlabcentral/cody/problems/1339 1339> created by...

4年以上 前

問題


Find a Hamiltonian Cycle in a Graph
You are given a graph g and asked to find a Hamiltonian cycle of g. See <https://www.mathworks.com/help/matlab/ref/graph.html...

4年以上 前 | 0 | 2 個のソルバー

解決済み


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...

4年以上 前

解決済み


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...

4年以上 前

解決済み


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年以上 前

解決済み


The glass half full
Identical glasses are placed in a triangular tower structure, such that the top level (L = 1) comprises one glass, the next leve...

4年以上 前

解決済み


Sums of Multiple Pairs of Triangular Numbers
This is a follow-up to <https://www.mathworks.com/matlabcentral/cody/problems/44289 Problem 44289> - Find two triangular numbers...

4年以上 前

解決済み


Find two triangular numbers whose sum is input.
Find two triangular numbers whose sum is _input_. Note: The difference beetween the triangular numbers should be minimum.

4年以上 前

解決済み


MATLAB Counter
Write a function f = counter(x0,b) to construct a counter handle f that counts with an initial value x0 and a step size b. E...

4年以上 前

解決済み


Breaking Out of the Matrix
Do you want to take the Red Pill, or the Blue Pill? If you take the Blue Pill, you will simply pass along to the next problem...

4年以上 前

解決済み


The Top 5 Primes
This problem series invites you to solve two simple problems related to the integer NUMBER FIVE, in order to celebrate <https://...

4年以上 前

解決済み


Polarisation
You have n polarising filters stacked one on top of another, and you know each axis angle. How much light gets passed through th...

4年以上 前

解決済み


ASCII Birthday Cake
Given an age and a name, give draw an ASCII birthday cake. For example, given the name "CODY" and the age 5, return a string wit...

4年以上 前

解決済み


Matlab Basics II - squares
Write a function that takes matrix A, and squares each element in the matrix example: A = [1 2 3] output = [1 4 9]

4年以上 前

解決済み


The sliding puzzle: 3D
This is an extension of <https://www.mathworks.com/matlabcentral/cody/problems/42842 problem 42842>. In this case, the puzzle is...

4年以上 前

問題


Restricted Multiplication v1
This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45265-restricted-addition-v4 Restricted Addition v4> with...

5年弱 前 | 1 | 7 個のソルバー

問題


Restricted Subtraction v1
This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45265-restricted-addition-v4 Restricted Addition v4> with...

5年弱 前 | 1 | 9 個のソルバー

解決済み


Divisible by n, Composite Divisors
Pursuant to <http://www.mathworks.com/matlabcentral/cody/problems/42453-divisible-by-n-prime-vs-composite-divisors Divisible by ...

5年弱 前

解決済み


Divisible by n, Truncated-number Divisors
Some divisors only require a few numbers at the end of the number in question to determine divisibility, no matter how long. Exa...

5年弱 前

解決済み


Divisible by n, prime divisors from 20 to 200
Pursuant to the previous problem (linked below), this problem requires a function that checks for divisibility of large numbers ...

5年弱 前

解決済み


Divisible by n, prime divisors - 11, 13, 17, & 19
Divisibility checks against prime numbers can all be accomplished with the same routine, applied recursively, consisting of add ...

5年弱 前

問題


Restricted Addition v4
This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45264-restricted-addition-v3 Restricted Addition v3> with...

5年弱 前 | 1 | 8 個のソルバー

解決済み


Find my secret number
I try to hide a secret number in the workspace amongst others variables. I am paranoid so I change his value and his name a...

5年弱 前

解決済み


Mirror, mirror on the wall, who is fairest of them all?
The Elo rating system was featured in the movie *The Social Network* during the <https://www.youtube.com/watch?v=BzZRr4KV59I/ al...

5年弱 前

問題


Restricted Addition v3
This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45258-restricted-addition-v2 Restricted Addition v2> with...

5年弱 前 | 1 | 15 個のソルバー

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