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Spectral Distance - Speed Scoring
Find quantity of pixels within a spectral distance from a given [r,g,b] spectra. *Spectral distance* = sqrt( (r0-ri)^2+(g0-gi...

14 giorni fa

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Hyperspectral Processing: Determine Material Components given a Hyperspectral vector
Given a hyperspectral data set and Reflectance Spectral Signature Library determine a pixel's component percentages. <http:/...

14 giorni fa

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Tiles Contest: Perfect Solutions for Large Unique Tile Boards
*Tiles Contest:* The Large Unique Boards/Tiles that perfectly solve (50x50) Return Perfect solutions for both boards. Scoring...

14 giorni fa

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Access a web hosted copy of the Tiles Contest MAT file
Access a web hosted copy of the Tiles Contest sample "mat" and verify success by returning for a board the number of tiles, numb...

14 giorni fa

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Read a Text file from a URL and create an {N x 1} Cell Array
Given a URL string for a text file, read the text file and store the contents into a cell array. The text file will have cont...

14 giorni fa

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Chezz_020 Pawn Attack and Slaying King
Chezz:...A simplified Chess game. Two game match with future multiple skill levels via evolutionary upgrades. Simplified the ...

14 giorni fa

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Chezz_015 : Simplified chess
Chezz:...A simplified Chess game. Two game match with future multiple skill levels via evolutionary upgrades. Simplified the ...

14 giorni fa

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Chezz_000 : Simplified chess
Chezz:...A simplified Chess game. Two game match with future multiple skill levels via evolutionary upgrades. Simplified the ...

14 giorni fa

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Reading Web Binary Files (jpg,pdf,tiff,png)
The Challenge is to access a Web binary file, a PDF in this case, and provide the value of a specific byte. . Accessing fi...

14 giorni fa

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

14 giorni fa

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Get top 5 Cody Player Emails Automatically
Yes, this is a little scary and also entirely possible to do in MATLAB, so let's do it! Looking at the list of the players <h...

15 giorni fa

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click away
Write a function that clicks on a GUI button. *Description*: Some times one wishes to use Matlab to automate some time con...

15 giorni fa

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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...

15 giorni fa

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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 ...

15 giorni fa

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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...

15 giorni fa

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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...

15 giorni fa

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Functionality 1
It's all about functionality. *Cheating is allowed but not required*

15 giorni fa

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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,

15 giorni fa

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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...

15 giorni fa

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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...

15 giorni fa

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singularity 2.0 (hard)
This problem is the continuation of problem <http://www.mathworks.com/matlabcentral/cody/problems/1769-singularity-2-0-easier Si...

15 giorni fa

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Get me!
Inspired by Now! problems. Do your best!

15 giorni fa

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What? Paradox?
What's going on here?

15 giorni fa

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Fix y_correct : Hack
The Test Suite has an error. Fix the y_correct value. (See the tags for hints)

15 giorni fa

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Now!
I said now!

16 giorni fa

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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...

16 giorni fa

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magic solver
Create a function that returns _true_ and has a cody <http://www.mathworks.com/matlabcentral/cody/problems/256-return-the-size-o...

16 giorni fa

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Volatile array in parfor and for

16 giorni fa

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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...

17 giorni fa

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The most decentralized RGB colors

17 giorni fa