Community Profile

photo

Jonathan


Last seen: 5 maanden ago Active since 2011

Statistics

All
  • Thankful Level 1
  • Revival Level 1
  • Puzzler
  • Cody5 Easy Master
  • First Review
  • Divisible by x Master
  • Magic Numbers II Master
  • Matrix Manipulation I Master
  • Project Euler I
  • Sequences And Series I Master
  • Scholar
  • Introduction to MATLAB Master

View badges

Content Feed

View by

Solved


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 ...

6 maanden ago

Solved


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...

6 maanden ago

Solved


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...

meer dan een jaar ago

Question


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...

meer dan een jaar ago | 1 answer | 0

1

answer

Solved


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...

meer dan een jaar ago

Solved


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

meer dan een jaar ago

Problem


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...

meer dan een jaar ago | 0 | 2 solvers

Solved


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...

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Solved


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.

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Solved


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://...

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Solved


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]

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Problem


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

meer dan een jaar ago | 1 | 6 solvers

Problem


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

meer dan een jaar ago | 1 | 7 solvers

Solved


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

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Solved


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 ...

meer dan een jaar ago

Solved


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 ...

meer dan een jaar ago

Problem


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

meer dan een jaar ago | 1 | 6 solvers

Solved


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...

meer dan een jaar ago

Solved


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...

meer dan een jaar ago

Problem


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

meer dan een jaar ago | 1 | 11 solvers

Load more