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Stefan Abendroth


Last seen: 2 jours il y a Actif depuis 2022

Senior Expert Mobility Solutions

Programming Languages:
Python, C++, Javascript, MATLAB, Visual Basic
Spoken Languages:
English, French, German
Professional Interests:
Systems Engineering, Networks, Automotive, Communications

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A résolu


Cumulative minimum of an array
Find the cumulative minimum of an array without using the built-in function <http://www.mathworks.com/help/matlab/ref/cummin.htm...

7 jours il y a

A résolu


Cumulative maximum of an array
Find the cumulative maximum of an array without using the built-in function cummax (and a few others). Your function should act ...

8 jours il y a

A résolu


Reverse Boggle
*Description* In the classic Parker Brothers game <http://en.wikipedia.org/wiki/Boggle Boggle>, players find words from a 4x4...

9 jours il y a

A résolu


Renaming a field in a structure array
MATLAB has a <http://www.mathworks.com/help/techdoc/ref/setfield.html setfield> and a <http://www.mathworks.com/help/techdoc/ref...

9 jours il y a

A résolu


Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

9 jours il y a

A résolu


Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

9 jours il y a

A résolu


Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

9 jours il y a

A résolu


Remove all the words that end with "ain"
Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

12 jours il y a

A résolu


Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

12 jours il y a

A résolu


Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

12 jours il y a

A résolu


Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

12 jours il y a

A résolu


Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

12 jours il y a

A résolu


All capital?
Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

12 jours il y a

A résolu


prime test
find largest 2 digit prime number

12 jours il y a

A résolu


Rotate array 90 degrees
Rotate the given matrix by 90 degrees. Example, A = [1 2 3 ; 4 5 6 ] B = rotated(A) = [ 3 6; 2 5; 1 4 ]

12 jours il y a

A résolu


Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';

13 jours il y a

A résolu


Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

13 jours il y a

A résolu


Implement a ROT13 cipher
Replace each character in string s1 with the character that is shifted 13 positions from it (wrap back to the beginning if neces...

14 jours il y a

A résolu


Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

14 jours il y a

A résolu


DNA N-Gram Distribution
Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

15 jours il y a

A résolu


Return a list sorted by number of occurrences
Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

19 jours il y a

A résolu


Breaking Out of the Matrix
Do you want to take the Red Pill, or the Blue Pill? If you take the Blue Pill, you will simply pass along to the next problem...

19 jours il y a

Problème


IQpuzzler Challenge #2: Find all possible solutions on an empty 4-by-5 board with 5 pieces, rotating and flipping pieces allowed
We are playing a simplified version of IQpuzzler, with a smaller board of 4-by-5 spaces and just 5 pieces, as shown in the pictu...

20 jours il y a | 0 | 1 solveur

A résolu


love is an n-letter word
Given a list of *N words*, return the *N-letter word* (choosing one letter from each word) with the property of having the least...

21 jours il y a

A résolu


Make a function that returns its own character count
Write a function that returns a 128 element vector with an accurate inventory of the ASCII characters in its own function file. ...

21 jours il y a

Problème


IQpuzzler Challenge #1: Find all possible solutions with 2 pieces already on the board and fixed orientation of all other pieces
IQpuzzler is a one player board game. The 2D version provides a rectangular board with 5-by-11 spaces and 12 colored pieces (con...

22 jours il y a | 0 | 1 solveur

Problème


IQpuzzler Preparation #3: Detect isolated groups of zeros in a matrix
Return true if any isolated groups of zeros (shapes 1x1, 1x2, 2x1, 1x3, 3x1 or 2x2) are present on the board, with all verticall...

23 jours il y a | 1 | 2 solveurs

Problème


IQpuzzler Preparation #2: Detect isolated zeros in a 2D matrix
Return true if any isolated single zeros are present in the input M-by-N matrix (zeros with all adjacent elements being non-zero...

23 jours il y a | 0 | 3 solveurs

Problème


IQpuzzler Preparation #1: Find all possible orientations of a matrix
Return all non-identical orientations of a 2-D matrix that can be produced by rotating or flipping it. Input is an M-by-N matri...

23 jours il y a | 0 | 2 solveurs

A résolu


Transposition as a CIPHER
This all about transcripting a text message. If the input string is: s1 = 'My name is Sourav Mondal', then the output is: s2 = '...

24 jours il y a

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