Tim

Last seen: 3 Tage vor | Aktiv seit 2012

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Retired mathematician.

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Double the 2x2 Matrix
In this challenge, you are given a predefined 2x2 matrix called x. Your task is to multiply every element in this matrix by 2 an...

3 Tage vor

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Legendary NBA Playmaker
Write a function that returns a char array containing the name and surname of a famous NBA player known for his spectacular pass...

14 Tage vor

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Robust Huffman Decoding: The Single-Bit Error Challenge
In the world of data compression, Huffman coding is a classic algorithm. However, it is notoriously fragile: a single bit error ...

15 Tage vor

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Find an inscribed square on a closed curve
Here's an unproven conjecture from geometry: Every simple closed curve in a plane contains all four vertices of some square. ...

19 Tage vor

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5-year Annedversaries
This is the Bonus Round problem for the 2025 Cody Contest. Attend the watch party on Friday, March 27 to see how 6 champions fro...

19 Tage vor

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The Quantum Knight's Tour on a Toroidal Hexagonal Board
In this challenge, you must navigate a knight on a Toroidal Hexagonal Grid of size The grid: We use the Axial Coordinate Syst...

26 Tage vor

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Find the nearest admirable number
Cody Problems 1012 and 2544 ask us to determine whether a number is perfect—that is, whether the sum of divisors is equal to ....

28 Tage vor

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Turn year differences into "s score and y years ago"
President Lincoln opened his now-legendary Gettysburg Address with the famous words "Four score and seven years ago...". Given t...

etwa ein Monat vor

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Play Oware with the digits of a number
Oware is a pit and pebble game that consists of two sets of pits or houses filled with pebbles or seeds. During a turn, a player...

etwa ein Monat vor

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Determine Matrix Dimensions Without Using some built-in MATLAB functions, version 2
Write a function that takes a 2D matrix/1D vector x as input and returns a row vector containing the number of rows and the numb...

etwa ein Monat vor

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Sum all elements of a vector or matrix without using sum()
Write a function that computes the sum of all elements of the input array v without using the built-in sum function. The input ...

etwa ein Monat vor

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Determine Matrix Dimensions Without Using some built-in MATLAB functions
Write a function that takes a 2D matrix/1D vector x as input and returns a row vector containing the number of rows and the numb...

etwa ein Monat vor

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Determine Matrix Dimensions Without Using size or length
Write a function that takes a matrix A as input and returns a row vector containing the number of rows and the number of columns...

etwa 2 Monate vor

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Where is the number that you want to find?
For a given matrix A, find where the input number x appears. Do this task by returning the vector which contains the row and th...

etwa 2 Monate vor

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Simulate full-stop emergency braking scenario.
Emergency braking events demand rapid deceleration to bring the vehicle safely to rest. Given initial vehicle speed and constant...

2 Monate vor

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Filled Diamond Pattern
Create an N×N binary matrix that forms a filled diamond shape centered in the matrix. The diamond expands symmetrically toward t...

2 Monate vor

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Hollow Diamond Pattern
Create an N×N matrix that forms a hollow diamond shape using 1s, leaving the interior empty. This challenge emphasizes boundary ...

2 Monate vor

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Concentric Squares Mandala
Generate concentric square rings of alternating 1s and 0s to form a layered mandala-style matrix. e.g. N = 5; 1 1 1 1 1;...

2 Monate vor

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Diagonal Cross Mandala
Generate an N×N matrix with diagonals highlighted to form an artistic X-shaped mandala pattern. e.g. N = 5; 1 0 0...

2 Monate vor

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Circular Ring Approximation Mandala
Generate a matrix that approximates a circular ring using distance-based thresholding , a visually rich mandala-inspired challen...

2 Monate vor

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Plus Cross Mandala
Create a symmetrical plus (+) shaped pattern centered in an N×N matrix.

2 Monate vor

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Vertical Mirror Mandala
Create a symmetric left-right mirrored pattern in an N×N matrix to emulate mandala reflection symmetry. e.g. N = 5; ...

2 Monate vor

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Hourglass Mandala
Generate an hourglass shape using matrix geometry and symmetry. e.g. N = 5; 1 1 1 1 1; 0 1 1 1 0; ...

2 Monate vor

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Starburst Mandala
Create a mandala starburst using diagonal and orthogonal symmetry in a matrix.

2 Monate vor

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Rotating the plane region bounded by two polynomials
Let p and q be n-degree and m-degree polynomials with n >= m >= 1. Consider clockwise rotate the plane region bounded by these t...

2 Monate vor

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Spiral Mandala
Generate a clockwise spiral pattern using 1s in an N×N matrix to create an intricate mandala effect. e.g. N = 5; y_correct...

2 Monate vor

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Built-out FFTShift
The task in hand is to replicate the built-in function - fftshift (with single input), but without using the function. However,...

2 Monate vor

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Find record values in a sequence
Write a function to find the record values in a sequence—that is, the largest values seen since the start. For example, if the s...

3 Monate vor

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Gather primes
A book titled Gather that I regularly see inspired this game: make as many words as possible from the letters in the word GATHER...

3 Monate vor

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Sudoku square
We have a small Sudoku square, but one number is missing. x = [ 1 5 4 8 6 3 0 9 7 ] Make a function, wher...

3 Monate vor

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