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# Jean-Marie Sainthillier

### Skinexigence

3,376 total contributions since 2012

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25 days 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...

25 days ago

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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...

25 days ago

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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.

25 days ago

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Find the slope

27 days ago

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Matrix Pattern 1

27 days ago

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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)

27 days ago

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

27 days ago

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Find Logic 7

28 days ago

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Make visible max values
Make visible maximum values of rows input = [1 2 3 4 5; 6 9 8 2 1; 2 1 4 5 8; 1 9 7 9 2]; ...

28 days ago

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Mastermind V: Optimal Solver - average number of guesses
The following description contains a copy of Richard Zapor's <https://www.mathworks.com/matlabcentral/cody/problems/44239-master...

28 days ago

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Are you in XY plane?
Take a point P as an input position Vector (x,y,z). If you are in XY plane, return 1 as an output otherwise return 0. Example...

29 days ago

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Mastermind IV: Optimal Solver - max of 5 guesses
<https://en.wikipedia.org/wiki/Mastermind_(board_game) Mastermind> is a code breaking logic puzzle. A pattern of 6 colors(values...

29 days ago

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Mastermind II: Solve in 8 or less
<https://en.wikipedia.org/wiki/Mastermind_(board_game) Mastermind> is a code breaking logic puzzle. A pattern of 6 colors(values...

29 days ago

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Mastermind I: Solve all 1296 cases
<https://en.wikipedia.org/wiki/Mastermind_(board_game) Mastermind> is a code breaking logic puzzle. A pattern of 6 colors(values...

29 days ago

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Energy Conversion 2

1 month ago

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Velocity Conversion

1 month ago

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Area Conversion 2

1 month ago

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Energy Conversion 1

1 month ago

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Mass Conversion 2

1 month ago

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Area Conversion 1

1 month ago

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Mass Conversion 1

1 month ago

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Temperature Conversion 3

1 month ago

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Temperature Conversion 2

1 month ago

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Temperature Conversion 1

1 month ago

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number of groups
In a classroom, *n* students work on a special project and the other students work in groups of five. If there are 18 students i...

1 month ago

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Mastermind III: Solve in 1
<https://en.wikipedia.org/wiki/Mastermind_(board_game) Mastermind> is a code breaking logic puzzle. A pattern of 6 colors(values...

1 month ago

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Mastermind
We are playing the boardgame mastermind <https://en.wikipedia.org/wiki/Mastermind_(board_game)>. The game master has created a 4...

1 month ago

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Number of cyles and fixed points in a permutation
A permutation can be constructed from one or more sets of elements in cyclic order. A permutation in a single row vector form ...

1 month ago