Cephas

Last seen: 4 giorni fa | Attivo dal 2025

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ECE undergraduate passionate about Signal Processing, Wireless Communications (5G/6G), and Intelligent Automation. I enjoy solving problems using MATLAB and Python, especially in domains like RF systems, image processing, and AI model deployment. Currently exploring advanced topics in space communications, radar, and applied machine learning. Always curious, learning, and sharing knowledge through MATLAB Cody challenges and technical projects.

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Update only what changed
The day and night colours depend on how far the fox has run. Instead of recolouring everything on every frame, I turn the cycle ...

11 giorni fa | 0

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Create graphics once, then only update them
All the graphics objects (patches, lines and text) are created one time, when the game starts. After that, the render function o...

11 giorni fa | 0

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Building a one-button MATLAB game with an AI assistant: tricks that fit it in 10,000 characters
Disclosure: the game code was written with Claude (an AI assistant). I tested the game in MATLAB and checked the details myself....

11 giorni fa | 0

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How I made a one-button game in under 10,000 characters (Ember Fox)
Hi everyone, I made Ember Fox: Outrun the Stone Guardian for the One-button Game Mini Hack. A fox runs forward, and a stone gua...

11 giorni fa | 0

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Problem 61065. Convert Hexavigesimal to Decimal
The challenge: You are given a string of lowercase letters 'a' to 'z'. Each character represents a base-26 digit: 'a' = 0 1....

12 mesi fa | 0

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Tip for Problem 61059 – Leaderboard for the Nedball World Cup:
To track the current leader after each match, you can use cumulative scores. First, calculate the cumulative sum for each player...

12 mesi fa | 0

Discussion

Logical Indexing Is Gold
Instead of looping with if-statements, use logical indexing: A(A < 0) = 0; One line, no loops, full clarity.

12 mesi fa | 0

Discussion

Use mod() for Cyclic Problems
Whenever a problem repeats in cycles (like indexing or angles), mod() keeps your logic clean: idx = mod(i-1, n) + 1; No if-els...

12 mesi fa | 0

Discussion

Preallocating Arrays Matters
Instead of growing arrays inside a loop, preallocate with zeros(), ones(), or nan(). It avoids memory fragmentation and speeds u...

circa un anno fa | 0

Discussion

Always Read the Example Output Carefully
Cody often hides subtle hints in example outputs — like data shape, rounding, or format. Matching those exactly saves you a lot ...

circa un anno fa | 0

Discussion

Know When to Use isequal()
isequal() is your best friend for Cody! It compares arrays perfectly without rounding errors — much safer than == for matrix out...

circa un anno fa | 0

Discussion

Debugging Hidden Test Cases
When Cody hides test cases, test your function with random small inputs first. If it works for many edge cases, it will almost a...

circa un anno fa | 0

Discussion

Vectorization Over Loops
I realized that using vectorized logic instead of nested loops makes Cody problems run much faster and cleaner. Functions like a...

circa un anno fa | 0

Risolto

Clueless - Lord Ned in the Game Room with the Technical Computing Language
[Warning: this is a nontrivial programming problem] Worried about the decline in reasoning skills in the clueless populace of...

circa un anno fa

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Who Holds the Lord Ned Challenge Shield?
During the Nedball Premier League regular season, each of the n teams plays each of the other (n-1) teams twice, once at home an...

circa un anno fa

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Popular Word Game™ Distance
Professor Ned, who holds the Nedowed Chair of Crackpot Mathematics at the University of Nedsburg, has recently discovered the da...

circa un anno fa

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The Bridges of Nedsburg
The fabled city of Nedsburg consists of several islands connected by bridges. Due to tectonic forces, shoddy civil engineering, ...

circa un anno fa

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A Nedlish Country Garden - Check for Valid Arrangement
Nedland is famous for its stately gardens, which typically have a centerpiece of a square grid, with certain squares featuring a...

circa un anno fa

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Average Number of Moves for the Royal Game of Err
Bored of tedious court assemblies, King Neduchadneddar the Procrastinator has found a cunning way to keep his advisors, councilo...

circa un anno fa

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Transition Matrix for the Royal Game of Err
Bored of tedious court assemblies, King Neduchadneddar the Procrastinator has found a cunning way to keep his advisors, councilo...

circa un anno fa

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Convert Decimal to Hexavigesimal
NASA (Ned’s Alien-Spying Agency) have made contact with a 13-fingered race from the planet Genai. Naturally, Ned’s shadowy opera...

circa un anno fa

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Convert Hexavigesimal to Decimal
NASA (Ned’s Alien-Spying Agency) have made contact with a 13-fingered race from the planet Genai. Naturally, Ned’s shadowy opera...

circa un anno fa

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Leaderboard for the Nedball World Cup
At the upcoming inaugural Nedball World Cup, organizers need to track who is in the lead for the coveted Golden Toeplitz trophy,...

circa un anno fa

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Government of the Neds, by the Neds, for the Neds - Distribute the Nedsburg City Councilors
The city of Nedsburg consists of several islands, the number of which changes regularly, due to tectonic forces, shoddy civil en...

circa un anno fa

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

circa un anno fa