Solved

Swap Red and Blue

1 month ago

Solved

Magic array teasing num2cell

1 month ago

Solved

Roots, Bloody Roots: part 2/2

1 month ago

Solved

Now! (Anticheating version 1)
By now, _Problem 901. Now!_ has not been solved without the use of cheats or hacks. <http://www.mathworks.com/matlabcentral/c...

1 month ago

Solved

Kaggle: Planetoid Game of Life - Solve 40 non-trivial Puzzles

1 month ago

Solved

Kaggle: Planetoid Game of Life - Solve 3000 of 50000 Puzzles

1 month ago

Solved

Kaggle 2020 Drone Delivery Contest

1 month ago

Solved

Algorithmic Trading - 3 (short selling and leverage)
This is the third of a series of problems on quant trading. It builds on earlier problems 45776 and 45860 <https://www.mathwo...

1 month ago

Solved

Algorithmic Trading - 2 (optimize Calmar Ratio)
This is the second of a series of problems on quant trading. It builds on earlier problem 45776 <https://www.mathworks.com/matla...

1 month ago

Solved

Algorithmic Trading - 1 (optimize simple trading strategy)
This is the first of a series of problems on quant trading. Quant traders seek to optimize investment performance devising tradi...

1 month ago

Solved

Test your luck!
This problem is designed to test your luck, and therefore the contents of your function are irrelevant. In order to do so, the t...

1 month ago

Solved

Just take it easy for a second or two!
Your code needs to take 'exactly' one second or 'exactly' two seconds to run (depending on the input) — accurate to ±0.5 millise...

1 month ago

Solved

Wait a second!
Your code needs to take 'exactly' one second to run — accurate to ±0.5 milliseconds. The input will be the number of millis...

1 month ago

Solved

Assert yourself! Hack the assert function to pass this test.
Have you ever wanted to test out one of those hacks you have seen which "games" the problem by simply overwriting the assert met...

1 month ago

Solved

Pipeline
Do something that makes x> f1 > f2 ... > fn equal to fn(...f2(f1(x))...) * x : MATLAB object * fi: function handle ...

1 month ago

Solved

Cleaner
Write a code _cleaner_ which creates variable/object that can clear current workspace when used. Missing semicolon (";") in lin...

1 month ago

Solved

Cody meets Xiangqi: foresee the unseen (Part 2)
This is the second part of the Xiangqi series. The first part in this series is: <http://www.mathworks.com/matlabcentral/cody/pr...

1 month ago

Solved

Cody meets Xiangqi: foresee the unseen (Part 1)
This is the first part of the Xiangqi series. The second part in this series is: <http://www.mathworks.com/matlabcentral/cody/pr...

1 month ago

Solved

Big Integer Multiplication
Implement big integer multiply. Input: A, B : N-by-M Matrix, each row represents a positive decimal integer. Output: ...

1 month ago

Solved

Megan's walk
Can you make <http://www.mathworks.com/matlabcentral/fileexchange/51139-megan-simulator--xkcd- Megan> (a stick-figure model of t...

1 month ago

Solved

LMI Twins : Fuzzy Image matching
The image below from <http://logicmastersindia.com/2016/04P/ Logic Masters India Marathon 2016> is puzzle "Twins Co-Ordinates" w...

1 month ago

Solved

Back to the future
See test suite See also: http://www.mathworks.com/matlabcentral/cody/problems/2449-back-to-the-future-ii

1 month ago

Solved

Order of things - 4
*This is the last assignment in the _Order of Things_-series. If that past incompleteness kept you from solving it, you may star...

1 month ago

Solved

Six Steps to PCA - Step 1: Centre and Standardize
*Introduction* Principal Component Analysis (PCA) is a classic among the many methods of multivariate data analysis. Invented...

1 month ago

Solved

Big data
Optimize this line of code: B = sum(gradient(corrcoef(A)).^2); for a matrix A with size(A,2)>>size(A,1) *Description:...

1 month ago

Solved

Stock Data NETFLIX 2011
Analyze a set of data for Netflix's stock for 2011 minNetflix = Find the minimum value that the stock reached over the year....

1 month ago

Solved

ASCII art
Convert a grayscale image to ASCII <<http://www.alfnie.com/software/cameraman.jpg>> *Inputs:* * *img*: Grayscale imag...

1 month ago

Solved

Gene Sequence Contest: Retro
The <http://www.mathworks.com/matlabcentral/contest/contests/21/rules Full Gene Sequence Rules and examples>. This Challenge ...

1 month ago

Solved

Knots Contest: Score (ContestSuite)
This Challenge is to Score well on the <http://www.mathworks.com/matlabcentral/contest/contests/38/rules Knots contest> test sui...

1 month ago

Solved

Knots Contest: Minimum Knots (ContestSuite)
This Challenge is to Minimize the number of Knots for the <http://www.mathworks.com/matlabcentral/contest/contests/38/rules Knot...

1 month ago