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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...

10 Tage vor

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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...

10 Tage vor

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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...

10 Tage vor

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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...

10 Tage vor

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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...

10 Tage vor

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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...

12 Tage vor

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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...

12 Tage vor

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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...

12 Tage vor

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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...

12 Tage vor

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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...

12 Tage vor

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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...

12 Tage vor

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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...

13 Tage vor

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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...

13 Tage vor

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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...

13 Tage vor

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13 Tage vor

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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...

13 Tage vor

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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...

13 Tage vor

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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...

13 Tage vor

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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...

14 Tage vor

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What score did they give?
Your task in this problem is to figure out the most recent score, |S|, submitted. <<https://upload.wikimedia.org/wikipedia/...

14 Tage vor

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14 Tage vor

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Comparison of floating-point numbers (singles)
Floating-point numbers cannot generally be represented exactly, so it is usually inappropriate to test for 'equality' between tw...

14 Tage vor

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Computational power of Cody servers
It has been <https://en.wikipedia.org/wiki/Moore%27s_law#History predicted> that the performance of integrated circuits would _d...

14 Tage vor

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Make your own Test Suite (part 0)
_Have no knowledge of <https://au.mathworks.com/help/matlab/matlab_prog/floating-point-numbers.html "floating-point numbers">? ...

14 Tage vor

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Make your own Test Suite (part 2)
In this task you need to imagine that you — _yes, YOU_ — have developed a problem on Cody for _me_ to solve, and now *you need t...

14 Tage vor

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Make your own Test Suite (part 1)
In this task you need to imagine that you — _yes, YOU_ — have developed a problem on Cody for _me_ to solve, and now *you need t...

14 Tage vor

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Almost done with the "tutorial"(Perimeter of a circle)
Find the perimeter of a circle(P) if radius r is given.

14 Tage vor

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Not yet geometry(Circles)
Type the formula of the area(Ac) of a circle with radius r and a sector of a circle(As) with radius r and angle theta in rads. ...

14 Tage vor

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Not yet geometry(square, rectangle and trapezium)
Type the formula of the area of a square(Asq) of side(a), a rectangle(Arec) of length(l) and width(w) and of a trapezium(Atr) of...

14 Tage vor

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Not yet geometry(equilateral triangle)
Type the formula of the area(A) of an equilateral triangle with a side of a. Tip: As a string.

14 Tage vor