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Jean-Marie Sainthillier


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Skinexigence

3,394 total contributions since 2012

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  • Project Euler I
  • Number Manipulation I Master
  • Strings I Master
  • Matrix Manipulation I Master
  • Number Manipulation II Master

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Contributions in
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Solved


Play PRIMEGAME

33 minutes ago

Solved


Test the generalized Legendre conjecture

15 hours ago

Solved


Create a sequence of primes p such that p > n π(p)

16 hours ago

Solved


Investigate the frequency of last non-zero digits of primorials

3 days ago

Solved


Determine digits of the Copeland-Erdos constant
<https://www.mathworks.com/matlabcentral/cody/problems/1477-champernowne-constant/solutions/new Cody Problem 1477> asks us to de...

3 days ago

Solved


Identify full reptend primes

4 days ago

Solved


Compute the nth Naerogahtyp emirp

4 days ago

Solved


Determine whether a prime is Pythagorean

4 days ago

Solved


Find jumping medalists

4 days ago

Solved


Sum of series IX

5 days ago

Solved


Sum of series VIII

5 days ago

Solved


Negative without '-'
Simple: return a negative number without using the '-' sign. Thanks to Problem <https://www.mathworks.com/matlabcentral/cody/...

5 days ago

Solved


List the erauqs

6 days ago

Solved


Compute the nth Pythagorean prime
Pythagorean primes have the form p = 4n+1, where n is an integer, and they can be written as the sum of squares of two integers....

6 days ago

Solved


List the emirps

7 days ago

Solved


Investigate the frequency of last digits of prime numbers
The last digit of a prime number greater than 5 can be 1, 3, 7, or 9. If the primes are distributed randomly, then these digits ...

7 days ago

Solved


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

15 days ago

Solved


Double all elements in the array
Duplicate all elements in the array

15 days ago

Solved


Draw a '0' in a one matrix!

15 days ago

Solved


Triangle Numbers (★★)
(copy of problem 5) Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3...

23 days ago

Solved


Step number
Step number

3 months ago

Solved


Create times-tables (★★★)
(copy of prob 33) At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 ti...

3 months ago

Solved


Count the number of folds needed to pack a large sheet
In a certain paper factory, large sheets of paper are being made every day. Before sending the sheets for shipment, they have to...

3 months ago

Solved


Perfect square.
Determine if the input is a perfect square or not. Example - If input is 25, return 1. If input is 17, return 0.

3 months ago

Solved


Find the slope

3 months ago

Solved


Matrix Pattern 1

3 months ago

Solved


Find the density of non-zero values

3 months ago

Solved


Sum of series
a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

3 months ago

Solved


Invert a 3D rigid-body transformation
Given an SE(3) matrix representing a rigid-body motion, compute its inverse without using |inv()| or |pinv()| .

3 months ago

Solved


Find Logic 7

3 months ago

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