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Solved
Clear functions with the same name in different packages independently
See the test suite. N.B.: Overwriting files or functions a.k.a. cheating is not necessary.
23 hours ago
Solved
Tracer un carré de côté a et de centre O
Définir une fonction carre qui prend en entrée un salaire a et un vecteur O de deux élements représentant les coordonnées cartés...
2 days ago
Solved
Boolean algebra
Your contractor from Elbonia has sent you the prototype of the new logical unit. It turns out that the only logical relation it ...
2 days ago
Solved
Singleton Expansion without BSXFUN
BSXFUN is very useful and fast. In R2015b we can implement singleton expansion without BSXFUN, see the test suite for details...
2 days ago
Solved
Derivative function
Given a function handle f, generate a function that evaluates the derivative of f Examples: f = @sin; df = De...
2 days ago
Solved
Multivariate polynomials - sort monomials
In <https://www.mathworks.com/matlabcentral/cody/problems/44260-multidimensional-polynomials-convert-monomial-form-to-array Prob...
3 days ago
Solved
Find a Hamiltonian Cycle in a Graph
You are given a graph g and asked to find a Hamiltonian cycle of g. See <https://www.mathworks.com/help/matlab/ref/graph.html...
3 days ago
Solved
Restricted Multiplication v1
This problem is Restricted Addition v4 with multiplication and more restrictions. multiply two inputs without use of common ari...
3 days ago
Solved
Restricted Subtraction v1
This problem is Restricted Addition v4 with subtraction and more restrictions. Subtract two inputs without use of common arithm...
3 days ago
Solved
Restricted Addition v4
This problem is Restricted Addition v3 with more restrictions. Also, you must handle matrices. Add two inputs without use of co...
3 days ago
Solved
Restricted Addition v3
This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45258-restricted-addition-v2 Restricted Addition v2> with...
3 days ago
Solved
Restricted Addition v2
This problem is Restricted Addition v1 with more restrictions. Also, you must handle negative and non-integer values. Add two n...
3 days ago
Solved
N-Queens: Count All Valid Arrangements
The N-Queens puzzle places N queens on an N×N chessboard such that no two queens attack each other. A queen can attack another ...
3 days ago
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Function minimization - global minimum
Sequel of problem 45951 <https://www.mathworks.com/matlabcentral/cody/problems/45951> Can you do even better, within the r...
4 days ago
Solved
Function minimization - beat fminsearch!
Sequel of problem 45948 <https://www.mathworks.com/matlabcentral/cody/problems/45948-function-minimization-beat-fminbnd> M...
4 days ago
Solved
Function minimization - beat fminbnd!
Matlab's fminbnd function finds a minimizer of a function within an interval. If often gets stuck in local minima. Can you do...
4 days ago
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Bounding Circle
The Bounding Circle is the smallest enclosing circle to a given set of points on a plane <https://en.wikipedia.org/wiki/Smallest...
4 days ago
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Least Absolute Deviations (L1-norm) line fit - degree n
This is a generalization of Problem 45851 for degree n <https://www.mathworks.com/matlabcentral/cody/problems/45851-least-abs...
4 days ago
Solved
Least Absolute Deviations (L1-norm) line fit - degree 1
Matlab's polyfit function is very handy to find least-squares regression. It minimizes the (L2-norm) of the estimation errors, b...
4 days ago
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What is the current time in Darwin, Australia?
Traders need to track exchange calendars and trading hours in detail, and account for time zone differences and daylight savings...
5 days ago
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Convert vector datasets to plot with imagesc instead of scatter
For large datasets this allows much faster plotting. An irregular 2D spatial sampling is provided in x and y vectors with a d...
5 days ago
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Magic Concentric Circles
Consider 4 magic circle circles around a single number in the sequence 1:n where the sum along the diameters is always equal, an...
5 days ago
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Key Generation for Solitaire Cipher
The Solitaire Cipher by Bruce Schneier was introduced to Cody in two problems by Doug Hull: http://www.mathworks.com/matlabcent...
5 days ago
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Borderline Connectivity
Compute the connected components of pixel borders. Suppose that h and v together describe a logical labeling of the borders b...
5 days ago
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Approximate the inverse tangent by power series
Given values b (where abs(b)<=1) and n (polynomial order), write a function that calculates atan(b) by using power series.
5 days ago
Solved
"Bubblegum, Bubblegum, in a dish; How many pieces do you wish?"
The child's game "bubblegum, bubblegum, in a dish; how many pieces do you wish?" is a way of eliminating players until a single ...
6 days ago
