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# Jean-Marie Sainthillier

### Skinexigence

3.213 total contributions since 2012

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Calculate days until Christmas
Provided with inputs year, month, day e.g. 2019,11,12, calculate the number of days until the next Christmas day, i.e. the next ...

14 Tage ago

Question

Why do I lost negative values in cell
If S={'md' 0 1 2 3 -1} for example with 'md' for missing data and values between -3 and 3 (-3,-2,-1,0,1,2,3). double([S{2:end}]...

18 Tage ago | 1 answer | 0

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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...

4 Monate ago

Solved

Square
square root of x

4 Monate ago

Solved

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 ...

4 Monate ago

Solved

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 ...

4 Monate ago

Solved

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...

4 Monate ago

Solved

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...

4 Monate ago

Solved

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

4 Monate ago

Solved

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...

4 Monate ago

Solved

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...

4 Monate ago

Solved

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

4 Monate ago

Solved

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; ...

4 Monate ago

Solved

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...

4 Monate ago

Solved

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...

4 Monate ago

Solved

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| ...

4 Monate ago

Solved

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-...

4 Monate ago

Solved

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...

4 Monate ago

Solved

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

4 Monate ago

Solved

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

4 Monate ago

Solved

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.

4 Monate ago

Solved

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

4 Monate ago

Solved

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

4 Monate ago

Solved

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

4 Monate ago

Solved

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

4 Monate ago

Solved

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

4 Monate ago

Solved

factorial
calculate x!

4 Monate ago

Solved

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...

4 Monate ago

Solved

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

4 Monate ago