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Alternative Scoring. Create an incremental spiral.
This problem is created to test an alternative Cody scoring system. It is based on the current one, but few changes are introduc...

11 years ago

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LocateMembership | Membership of Matrix in another matrix
Let a and b be given by a = [ 2 1 1 1 1 2 1 1 1 1 2 1 1 1 1 2 4 0 0 0 ] b = [ 2 1 ...

11 years ago

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Usage of mkdir and copyfile
This Challenge is to copy a file into a new directory multiple levels below existing directory architecture. System appears ...

11 years ago

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Does the coin touch the line?
If we throw a coin that has a diameter of d, its center will land in a grid n x m. What is the probability that the coin land...

11 years ago

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Is the Point in a Triangle?
Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...

11 years ago

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Create an anti-identity matrix
Create an anti-identity matrix of given dimension. Examples n = 2 A = [0 1; 1 0] n = 3 A = [0 0 1; 0 1 0; 1 0 0...

11 years 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...

11 years ago

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Find Elements in Range
Based on a question on <http://www.mathworks.com/matlabcentral/answers/ MATLAB Answers>. Find all the elements of a vector wh...

11 years ago

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Wayfinding 2 - traversing
This is the second part of a series of assignments about wayfinding. The final goal is to be able to calculate the fastest route...

11 years ago

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Create matrix with common dates from a number of structs -inner join on dates
Do an "inner join" (as in SQL) on a number of structs where the ".date" is the date and the ".ts" the timeseries. The join is on...

11 years ago

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Wayfinding 1 - crossing
This is the first part of a series of assignments about wayfinding. The final goal is to be able to calculate the fastest route ...

11 years ago

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Filter British English into American English
Given a sentence written with British spelling, return the sentence with the offending word(s) replaced with the American spelli...

11 years ago

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Replacing a row
For matrix G=[1 2 3; 4 5 6; 7 8 9] Replace the 2nd row with 8s **remember to create matrix G

11 years ago

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Find my secret number
I try to hide a secret number in the workspace amongst others variables. I am paranoid so I change his value and his name a...

11 years ago

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Joining Ranges
You are given a n-by-2 matrix. Each row represents a numeric range, e.g. x = [0 5; 10 3; 20 15; 16 19; 25 25] contains...

11 years ago

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Find indices of diagonal elements
Given a matrix A and a diagonal index d (where 0 indicates the main diagonal and off-diagonals are identified by positive and n...

11 years ago

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GJam 2013 Veterans: Baby Height Prediction
This Challenge is derived from <http://code.google.com/codejam/contest/2334486/dashboard#s=p1 GJam 2013 Veterans Baby Height>. O...

11 years ago

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Insert structure in a parameter-cell array.
When creating Matlab GUI elements, you can mix value pairs with structures in the list of input arguments, e.g. |uicontrol('t...

11 years ago

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Give a matrix that matches itself when rotated
Given n and s, return a n-by-n matrix a of integers such that sum(sum(a == rot90(a))) is equal to exactly s. The integer...

11 years ago

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Cell Array Inception?
Jimmy is a beginning MATLAB student who is trying to read in a text file and build a cell array of strings, where A{k} is the kt...

11 years ago

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Spiral In
Create an m by n matrix filled with sequential integers starting from 1 and arranged in a counterclockwise spiral that hugs the ...

11 years ago

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Backslang, odds are you used it at some point in time...
So backslang is a language that can be used to communicate in an easy decode code, if people know the rules of decoding it. Wel...

11 years ago

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Hermite Polynomials
Return the _n_-th <http://en.wikipedia.org/wiki/Hermite_polynomials Hermite polynomial> of the physicists' type. Assume that ...

11 years ago

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Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

11 years ago

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Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

11 years ago

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Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

11 years ago

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Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

11 years ago

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Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

11 years ago

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Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

11 years ago

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Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

11 years ago