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Solved
Singularity v5 (with apologies to the true hack masters)
Since the vast majority of recent problems are how to hack Cody, here's another one, with an even more malformed test suite than...
28 minutes ago
Solved
dir with recursive subdirectory search
Write a function that performs a recursive file search. The input and output format can be identical to the dir function. The ...
35 minutes ago
Solved
It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().
Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. This must be done in l...
1 hour ago
Solved
AVIRIS Inscribed Rectangle Bit Mask - Speed Test
The AVIRIS data sometimes is provided uncropped. This creates edge regions with values of "-50". Shown is AVIRIS Moffett Field i...
1 hour ago
Solved
Functionality 1
It's all about functionality. *Cheating is allowed but not required*
1 hour ago
Solved
Get me! v3
A harder version of Get me! I *think* I only left one door open.. we could be close to a perfect anti-cheating engine,
3 hours ago
Solved
singularity 2.0 (really hard)
This problem is the continuation of problem <http://www.mathworks.com/matlabcentral/cody/problems/1770-singularity-2-0-harder Si...
3 hours ago
Solved
singularity 2.0 (easier)
If you have been in Cody long enough you have probably run across some badly constructed problems and test suites. This prob...
3 hours ago
Solved
singularity 2.0 (hard)
This problem is the continuation of problem <http://www.mathworks.com/matlabcentral/cody/problems/1769-singularity-2-0-easier Si...
3 hours ago
Solved
Fix y_correct : Hack
The Test Suite has an error. Fix the y_correct value. (See the tags for hints)
19 hours ago
Solved
Hackathon - String version
I have a function that creates a random string of characters of ASCII values 32-127. The length of the string is also randomly d...
1 day ago
Solved
magic solver
Create a function that returns _true_ and has a cody <http://www.mathworks.com/matlabcentral/cody/problems/256-return-the-size-o...
1 day ago
Solved
Rotation matrix of a sequence of 3D points
Given a sequence of rotation matrices Rotation_Matrix [3x3xN], and a sequence of 3D points [3x1xN], compute the [3xN] sequence i...
2 days ago
Solved
Number of images formed due to two inclined mirrors and their coordinates
There are two mirrors with angle theta between them and there is an object on x axis. Determine the number of images formed and ...
3 days ago
Solved
4D Hypercube Validation with Prime-Indexed Symmetry and Modular Trace Constraints
Design a function that generates and validates a 4D hypercube matrix where: 1. Prime-Indexed Symmetry: Every 2D slice `A(i,j...
3 days ago
Solved
IQpuzzler Challenge #1: Find all possible solutions with 2 pieces already on the board and fixed orientation of all other pieces
IQpuzzler is a one player board game. The 2D version provides a rectangular board with 5-by-11 spaces and 12 colored pieces (con...
3 days ago
Solved
Battleship - Seaman Level
<http://www.conceptispuzzles.com/index.aspx?uri=puzzle/battleships Games Magazine Battleships> is a logic puzzle to find the Fle...
3 days ago
Solved
Undocumented MATLAB tricks No. 2 - Tell the parfor index
Your function is called in multiple for-loops, and the loop indices are given to your function. One of these indices are from a ...
3 days ago
Solved
Optimize the Tollbooths
Your company has recently built its own highway from which they hope to generate some revenue. The highway has no branches or in...
3 days ago
Solved
Generate Convolution Matrix of 2D Kernel with Different Convolution Shapes (Full, Same, Valid)
In this problem the challenge is to build the Matrix Form equivalent of the function `conv2()` of MATLAB. The function to be ...
3 days ago
Solved
Troubles With Spaces - Convert Some Messy Data Into A Clean Array
I have a bunch of messy data I have to go through. The data is stored in an odd format, so str2num isn't working. And even when ...
3 days ago
