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# Jean-Marie Sainthillier

### Skinexigence

3,211 2012 年以降の合計貢献数

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Game of Nim
The Game of Nim is a famous studied 2 player strategy game. <http://en.wikipedia.org/wiki/Nim> There are 3 heaps, and you...

Square
square root of x

Find the mean of a 2-D matrix after excluding elements of specified sub-matrix
You need to find the mean of a 2-D matrix after excluding elements which form an inner sub-matrix. e.g. If the input 2-D matrix ...

Interpolate scattered data.
Most data was scattered, and there is no gird. There are three data [c] in three different area [x,y]. x=[1 3 4]; y=[1 ...

Sorting integers by their digits (Level 4)
This is the next step up from <http://www.mathworks.com/matlabcentral/cody/problems/42815-sorting-integers-by-their-digits-level...

Assignment Problem
Given a matrix where row i corresponds to person i, and column j corresponds to task j and cell (i,j) corresponds to the time ta...

Next lexicographic - permutation
Find next lexicographic - permutation (permutations as it would occur in a dictionary order). E.g: nextP('ABCD') = ABDC I...

Determine if input is a valid AHP evaluation matrix
Input is a matrix. Output is a true or false statement (1 or 0). Return true if input is a valid Analytic Hierarchy Process eval...

Outer product of multiple vectors
In tensor algebra, it is often useful to define a tensor as a product of lower order tensors. Similarly, a multidimensional arra...

the average value of the elements
Calculate the average value of the elements in the array

Sort the prime numbers in each row of a 3x3 matrix
Considering a 3x3 matrix A, sort the prime numbers of each row in ascending order. For exemple: input A=[5 8 2 4; ...

Large Sum (inspired by Project Euler 13)
Your function will be provided an arbitrary number of numbers of arbitrary sizes as a cell array of strings. Some numbers will b...

Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.&#8519;^(-&lambda;t)*cos(2πft)| where |A|, |&lambda;|, and |f| ...

Calculate the Damerau-Levenshtein distance between two strings.
<http://www.mathworks.co.uk/matlabcentral/cody/problems/2303-compute-hamming-distances-between-each-pair-of-rows-from-two-input-...

Beauty of Parentheses
Given a string consisting of closed parentheses, form a string array in the following way so that the orders of these parenthese...

Triangle???
Calculate the circumference of an equilateral triangle with x

2ヶ月 前

square a number twice with square root of 4/5
square a number twice with square root of 4/5

2ヶ月 前

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for.

2ヶ月 前

SAY 'OHYEAH'
Regardless of input, output the string 'OHYEAH'.

2ヶ月 前

Convert Fahrenheit to Kelvin
Convert the value f in Fahrenheit to Kelvin

2ヶ月 前

Check if number is a square number
Test if integer i is a square number. Return logical true if it is.

2ヶ月 前

Sum Sum Sum!
Calculate the sum of the natural numbers from 1 to n

2ヶ月 前

Sum sum!!!
Sum the numbers from 1 to n

2ヶ月 前

factorial
calculate x!

2ヶ月 前

time of day
Calculate the time of day in days, hours, minutes or seconds passed since the beginning of the day, depending on the unit. The u...

2ヶ月 前

Check if integer is a prime number
Check if integer i is a prime number. Returns logical true '1' if it is.

2ヶ月 前

Perimeter of a square!
Calculate the circumference of the square whose side is n

2ヶ月 前

Repeat elements of a vector
Repeat each elements of a given vector according to their values. say x=[1,2,1,3] y=[1,2,2,1,3,3,3]

2ヶ月 前