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GJam 2016 Rd1A: Rank and File (Large)
This Challenge is derived from <http://code.google.com/codejam/contest/4304486/dashboard#s=p1 GJam Rd1A 2016 Rank and File>. Thi...

8 years ago

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GJam 2016 Rd1A: Rank and File (small)
This Challenge is derived from <http://code.google.com/codejam/contest/4304486/dashboard#s=p1 GJam Rd1A 2016 Rank and File>. Thi...

8 years ago

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Check if there are white spaces in the input string
If there are white spaces in the input string, output=1 else 0

8 years ago

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function to compute root mean square of first nn positive odd integers
Write a function called odd_rms that returns orms, which is the square root of the mean of the squares of the first nn positive ...

8 years ago

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Percentage of zeros in a matrix of only 1s and 0s
Write a function called _zero_stat_ that takes a matrix as an input that only has 0 and 1 elements. The function needs to comput...

8 years ago

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Nth root of a number
Given an input and a number N, find the Nth root of the number(s)

8 years ago

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Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle

8 years ago

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Basic Quadratic Equation
Create the equation: y=(3x)^2+(5x)+35 and compute y for various values of x

8 years ago

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Draw 'O' !
Given n as input, generate a n-by-n matrix 'O' using 0 and 1 . example: n=4 ans= [1 1 1 1 1 0 0 1 ...

8 years ago

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Draw 'I'
Given n as input, draw a n-by-n matrix 'I' using 0 and 1. example: n=3 ans= [0 1 0 0 1 0 0 1 0] n=...

8 years ago

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S-T-R-E-T-C-H I-T O-U-T
You will be given a row of numbers (x), and a single number (n). Your job is to write a script that will stretch out the row of...

8 years ago

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Translate German decimals to English decimals
The string 'x = [2,5; 5,5; 4,3];' should return 'y = [2.5; 5.5; 4.3];'

8 years ago

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Pairwise column flip
Given matrix *M_in*, flip every pair of columns. So if *M_in* is 1 2 3 4 1 2 3 4 then *M_out* is 2 1 4 3 2 1 4 3 ...

8 years ago

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Draw a 'N'!
Given n as input, generate a n-by-n matrix 'N' using 0 and 1 . Example: n=5 ans= [1 0 0 0 1 1 1 0 0 1 1 0 ...

8 years ago

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Cat, Meowcat and Concatenation
Input is a cell array containing several strings. Find the largest continuous sub-string common to all strings. All strings are ...

8 years ago

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Frequency Analysis of Text
Frequency analysis is a common task in cryptoanalysis. It is essentially counting the occurrences of alphabets (regardless of ca...

8 years ago

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Find the coefficients for numerical integration using Simpson's rule
For using numerical integration using Simpson's rule, we need some coefficients to be determined first. Suppose the n is the nu...

8 years ago

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Check capital letters
Check if each first letter of a string is a capital letter. for example: 'This Is Ok' gives a true answer and 'This Is not Ok' ...

8 years ago

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Non trivial identities - reshape
Return x by reshaping it.

8 years ago

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Wrap-around effect
In vector x of length n we define (n+1) position as going back to the first position (so called wrap-around effect). Can you ret...

8 years ago

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Fractal: area and perimeter of Koch snowflake
Starting from an equilateral triangle with side 's', what is the area and perimeter of Koch snowflake at n'th recursive iteratio...

8 years ago

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Number of even divisors of a given number
Given a Number n, return the number of its even divisors without listing them. example: n=14 ; EvenDivisors={2,14} ; y=2 ...

8 years ago

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Determine the roots of a cubic equation
Given the coefficients a, b, c, and d of a cubic equation, a*x^3 + b*x^2 + c*x + d = 0, determine its roots.

8 years ago

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Bubble sort
Write your own bubble sort function ( <https://en.wikipedia.org/wiki/Bubble_sort>) to sort all elements in x in ascending order....

8 years ago

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Subtract integers and add doubles
Create a function that subtracts a from b if a and b are integers and adds them if they are floats.

8 years ago

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Odd times even numbers in a matrix
First count the number of odd numbers in x, then the number of even. Return their product. example: x = [1 2] One odd ...

8 years ago

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String revert
Revert all words in a sting x for example, if x = 'this is a sentence' then y should be 'sentence a is this'

8 years ago

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What's my favourite food?
The spicier the better.

8 years ago

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Return strings encapsulated by braces
Return all substrings that are contained within braces ({}). For example: str = 'x = rho*x{-1} + (1-rho)*y{+1}'; when...

8 years ago

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Extract part elements of matrix into one new matrix
Given a matrix that includes different nonzero and zero entries, extract the nonzero elements and form a new matrix. The new mat...

8 years ago