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God of War: The Chains Of Olympus
The Spartan warrior, Kratos, is held by a chain of _n > 1_ links in the underworld. His only chance of survival is to break the ...

1 month ago

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The Generalized-N Eggs Problem
A firm has invented a super-strong egg. For publicity purposes, it wants to determine the highest floor in a story building with...

1 month ago

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Response of First Order Control Systems
In practice, the input signal to an automatic control system is not known ahead of time but usually random in nature. Thus, in t...

1 month ago

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Nodal Voltage of Resistor Ladder Network
* You have a bunch (an even number N) of identical resistors (each R ohms), a good battery (V volts) and a high impedance voltme...

1 month ago

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Implement Shor's algorithm
Shor's algorithm, proposed in 1994 by Peter Shor, is an algorithm for factoring numbers that runs in polynomial time (polynomial...

1 month ago

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Array size along k-th dimension
Given an n-dimensional array M, find the size of M along the k-th dimension (1 <= k <= n), without using size(), height() or wid...

1 month ago

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Solve the matrix equation AXB + X + C = 0 for X
Let A, B, and C be square matrices of equal size, and let the matrix X be defined by the matrix equation A * X * B + X + ...

1 month ago

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Optimal saving in Solow's classical growth model
Let us consider a simplified version of Solow's classical growth model. Let , , , and denote production, the capital stock, l...

1 month ago

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Compute rational expectations in a static, linear NKM model
Consider a static, linear approximation of the baseline New Keynesian macroeconomic model. This can be described by an IS equati...

1 month ago

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Calculate the volume of the intersection of two balls
Consider two balls (solid spheres) in , with radius and respectively. Suppose that the distance between the centers of the two...

1 month ago

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Create an empty array
Suppose you need an empty array. e = [] will give you one, but it's a double array, which may not help if you need a differen...

1 month ago

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Remove runs of at least n consecutive NaNs
This problem is inspired by Dyuman Joshi's problem 58329. Given a row vector x and a natural number n, remove all runs of at lea...

1 month ago

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Swap the column given with another one!
We have a random sized matrix A. You have to change the nth column with the kth column. The result must be a matrix B. For exam...

1 month ago

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Find circular arc length, sector area and segment area
Given a circular arc passing through the points P = [ x1 y1 ] and Q = [ x2 y2 ] such that the center angle of the arc (in degree...

1 month ago

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Rotate matrix 60 degrees
Given a 2*m-1 by 4*m-3 matrix in which certain elements form a hexagon of side length m, rotate the hexagon 60 degrees countercl...

1 month ago

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Mystery problem
Given integer x between 1 and 50, return integer y=mystery(x), where mystery(1) = 111 mystery(6) = 809 ... mystery...

1 month ago

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Convert vector of strings to lower triangular matrix
Given a non-empty vector vec of strings, please put its elements into the lower triangular half of a square matrix M column-wise...

1 month ago

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N-Dimensional Sorting
Given two N-dimensional matrices A and B, first sort A in increasing order and then sort B with respect to the index of A. Y...

1 month ago

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Number of bytes required to store a sparse matrix
The input will be a sparse matrix : x = sparse(100,1000,0.01); >>whos x shows that 8024 bytes ares required . The aim...

1 month ago

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Convert nested struct-array to numeric array
Sometimes data happens to be nicely structured in a struct-array, distributed over various levels of the struct, according to th...

1 month ago

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Wayfinding 5 - Travel contour
This is the fifth part of a series of assignments about wayfinding. The final goal of this series is to be able to calculate the...

1 month ago

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Wayfinding 4 - Crossing, level 2
This is the fourth part of a series of assignments about wayfinding. The final goal of this series is to be able to calculate th...

1 month ago

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Mmm! Multi-dimensional Matrix Multiplication
You have got a couple of multi-dimensional matrices, A and B. And want to multiply them. For the first 2 dimensions, an ordinary...

1 month ago

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Order of things - 3
This problem is closely related to <http://www.mathworks.nl/matlabcentral/cody/problems/2189-order-of-things-1 Problem 2189, Ord...

1 month ago

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Order of things - 2
This problem is closely related to <http://www.mathworks.nl/matlabcentral/cody/problems/2189-order-of-things-1 Problem 2189, Ord...

1 month ago

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A SUBSREF variant that accepts the 'end'-operator.
Unfortunately, Matlab's |subsref| function does not support the |end| -operator. The |end| -operator is a powerfull method to re...

1 month ago

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Make a KITT-scanner on the command line
Did you know that you can actually remove characters from the command-line window? Just send a 'backspace' character to the outp...

1 month ago

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Convert a substructure reference string into a valid definition structure for subsref and subsasgn
You have a reference to an element in a data structure, which you want to pass to a function. Not the value itself, but the refe...

1 month ago

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Robust alignment of coordinate system
We have to create a custom 3-D coordinate system of which one axis is defined by a vector (in the global coordinate system). The...

1 month ago

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Guess the number I'm thinking of (Part 2)
Have you tried the original "Guess the number I'm thinking of" (Problem 44630)? This problem is just like that, except that the...

1 month ago

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