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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...

1 month ago

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Volatile array in parfor and for

1 month ago

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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...

1 month ago

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The most decentralized RGB colors

1 month ago

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Solve the snake puzzle

1 month ago

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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 ...

1 month ago

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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...

1 month ago

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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...

1 month ago

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Battleship - Seaman Level
<http://www.conceptispuzzles.com/index.aspx?uri=puzzle/battleships Games Magazine Battleships> is a logic puzzle to find the Fle...

1 month ago

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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 ...

1 month ago

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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...

1 month ago

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DNA Sequence Assembly

1 month ago

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Calculate the similarity between DNA sequences

1 month ago

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Parabolic Partial Differential Equations: Explicit Method

1 month ago

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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 ...

1 month ago

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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 ...

1 month ago

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Determine Center of Mass for a Set of Floating Spheres
Each sphere has a position determined by theta (x,y plane angle) and tau (elevation angle) as well as L, the distance of the cen...

1 month ago

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Largest Small n-Polygons or Biggest Little Polygon
Largest Small n-Polygons or Biggest Little Polygon for a number n is the polygon that has diameter one and that has the largest ...

1 month ago

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Which YAxis does this Graphic object belong to?
Your function gets a graphic object in an Axes that has 2 YAxis. Can you determine which YAxis does this object belong to? I pr...

1 month ago

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nth permutation of 11...100...0
Given some number of ones and zeros, numOnes and numZeros respectively, find the nth permutation of the vector [ones(1,numOnes),...

1 month ago

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IQpuzzler Challenge #2: Find all possible solutions on an empty 4-by-5 board with 5 pieces, rotating and flipping pieces allowed
We are playing a simplified version of IQpuzzler, with a smaller board of 4-by-5 spaces and just 5 pieces, as shown in the pictu...

1 month ago

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Recurssive serie
let the numerical serie U(n) such as U(n+1)= 0.2U(n) + 0.3U(n-1) ; U(0) = a ; U(1) = b the goal is to plot the elements of this...

1 month ago

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Rearrange coefficients after block based DCT transform.
Two dimensional block-based discrete cosine transform <http://en.wikipedia.org/wiki/Discrete_cosine_transform#DCT-II (DCT-II)> i...

1 month ago

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BattleShip - Petty Officer (Level 2)
<http://www.conceptispuzzles.com/index.aspx?uri=puzzle/battleships Games Magazine Battleships> is a logic puzzle to find the Fle...

1 month ago

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Integer vector optimal lossless deduplication
You're given an integer vector A, a Min scalar and a Max scalar. You can assume all elements in A are in [Min,Max] range, and nu...

1 month ago

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Create spiral matrices
Create a matrix of a given size with sequential elements spiraling inward. For matrix height m and width n, the output should ...

1 month ago

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Find the Fourier coefficients of a periodic function
For the a given periodic function, f, calculate the first N Fourier coefficients. The inputs to your function must be one period...

1 month ago

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Solve the 2-norm Regularization Problem
In data fitting, regularization is a technique to stabilize an ill-posed problem. <https://en.wikipedia.org/wiki/Tikhonov_regula...

1 month ago

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You are constantly moving at a speed v faster than your twin brother. How long does it take before you become 1s younger than him according to the theory of relativity?
You are moving at a speed of v_in (km/h) relative to your twin brother of the exact (even in seconds) same age. Define: gam ...

1 month ago

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Flip the right coin to survive!
Write a function to solve the problem mentioned below. The chessboard 8x8 matrix will be filled with coins randomly and given to...

1 month ago