Jean-Marie Sainthillier

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Last seen: environ un mois il y a | Actif depuis 2012

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Data types in TABLE
I create a TABLE with different data types. For example : sz = [1 6]; vartypes = ["string" "categorical" "categorical" "cate...

environ un mois il y a | 1 réponse | 0

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The sliding puzzle: 15
If you are unfamiliar with the sliding puzzle, enter the command fifteen in your MATLAB command window (or search online, of cou...

6 mois il y a

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Find nearest prime number less than input number
Find nearest prime number less than input number. For example: if the input number is 125, then the nearest prime number whi...

6 mois il y a

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Wordle
Wordle is an english game where you need to guess a 5 letter word. For each guess you'll receive a feedback for the placement of...

6 mois il y a

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Pseudo-vampire number
refer to <https://en.wikipedia.org/wiki/Vampire_number> Given a number x, determine whether it is a pseudo-vampire number. A p...

7 mois il y a

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Compute the nth term from the Sieve of Flavius Josephus

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Characterize the final state of another digit inventory sequence

7 mois il y a

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Characterize the final state of the digit inventory sequence

7 mois il y a

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Find the nth term in the digit inventory sequence

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Deduce the pattern behind the sequence

8 mois il y a

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Find terms in the Connell sequence

8 mois il y a

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Generate a list of composite numbers

8 mois il y a

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Compute the harmonic numbers
The nth <https://mathworld.wolfram.com/HarmonicNumber.html harmonic number> is defined as the sum of the reciprocals of the inte...

8 mois il y a

Question

Dot notation and curly braces with TABLE
I don't understand clearly the difference between T.(expression) and T{:,expression} notation. For example : load patients d...

11 mois il y a | 2 réponses | 1

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Problem with direct calculation on table with std and "omitnan"
Since R2023a, it is possible to perform calculations directly on tables (and timetables) without extracting their data by indexi...

11 mois il y a | 1 réponse | 0

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expand intervals vol.3
This is the next problem after <http://www.mathworks.co.uk/matlabcentral/cody/problems/2528 2528> and <http://www.mathworks.co.u...

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Interpolated Value Between Two Points
Given two points, and , a new location x, and a method "linear" or "cubic", return the value of a linear or cubic interpolant t...

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Where the Four Corners Am I? (Vectorized)
NOTE: this problem is intended to build on problem #55960 ("Where the Four Corners Am I?"). You may wish to solve that problem f...

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Where the Four Corners Am I?
The "Four Corners" region of the US is where Colorado, Utah, Arizona, and New Mexico all meet - the only place where four states...

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Calculate Angle From Axis
Given coordinates x and y, an axis ("X" or "Y"), and a direction ("cw" or "ccw", meaning clockwise and counterclockwise, respect...

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Taylor Series
You can use a Taylor series to approximate common functions. The Taylor series for sin(x) is Using only the first several te...

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Estimating Euler's (Oi-ler-z) Number
Euler's number is an irrational constant given by Starting with x=0, count the number of times you can add a uniformly distrib...

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Generate Pascal's Triangle Matrix
Pascal's triangle is an arrangement of numbers where each value is the sum of the values adjacent to it in the previous row: ...

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Next Tribonacci Number
The "Tribonacci" sequence is an extension of the idea of the Fibonacci sequence: That is, each new term is the sum of the thr...

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Generate Tribonacci Sequence
The "Tribonacci" sequence is an extension of the idea of the Fibonacci sequence: That is, each new term is the sum of the thr...

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Dartboard Average II
A dartboard arranges the numbers 1 to 20 such that each value is typically flanked by quite different values - for example, 20 i...

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Determine if vector has any zeroes
Return 1 if vector has atleast 1 zero, else return 0

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A Binary Search
One way to locate a target value in a sorted array, is to use a binary search algorithm. Here, you test if the midpoint in the a...

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Create block matrix of integers (j+k-1) - Part II
Given m, n, p, and q, create an m-by-n matrix made up of submatrices, each sized p-by-q (if possible - the last row and column o...

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Triangle Coordinates
Given a natural number n, return two -element vectors, x and y, containing the coordinates of a triangular arrangement of points...

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